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ADO update() error
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wzaf...
did you verify if the SELECT return some value, i means
the select is not empty...
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ADO update() error
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Daniel :
Correct ! the select is not empty....
Wzaf
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ADO update() error
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kzaf..
test this samples... work fine to me...
download test.mdb
[url:35zsehuw]http://www.sitasoft.net/fivewin/samples/testado.rar[/url:35zsehuw]
[code=fw:35zsehuw]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"FiveWin.Ch"</span> <br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"ado.Ch"</span> <br /> <br /><span style="color: #B900B9;">//----------------------------------------------------------------------------// </span><br /> <br /><span style="color: #00C800;">function</span> main<span style="color: #000000;">(</span><span style="color: #000000;">)</span> <br /> <br /> execConnection<span style="color: #000000;">(</span><span style="color: #000000;">)</span> <br /> <br /><span style="color: #00C800;">return</span><span style="color: #000000;">(</span> <span style="color: #000000;">0</span> <span style="color: #000000;">)</span> <br /> <br /><span style="color: #B900B9;">//----------------------------------------------------------------------------// </span><br /> <br /> <br /><span style="color: #00C800;">FUNCTION</span> execConnection <br /> <br /><span style="color: #00C800;">LOCAL</span> oCon, oRs, oError <br /> <br /> <br />oCon := MySQLConnect<span style="color: #000000;">(</span><span style="color: #000000;">)</span> <br /> <br />oRs := MySQLRecordSet<span style="color: #000000;">(</span> oCon <span style="color: #000000;">)</span> <br /> <br /><span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> .T. <span style="color: #000000;">)</span> <br /><br /><span style="color: #B900B9;">//----------------------------------------------------------------------------// </span><br /><br /><span style="color: #00C800;">FUNCTION</span> MySQLConnect <br /> <br /><span style="color: #00C800;">LOCAL</span> oError, oCon, cConnectionString <br /> <br /> <span style="color: #00C800;">TRY</span> <br /> oCon := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">new</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Connection"</span> <span style="color: #000000;">)</span> <br /> CATCH oError <br /> <span style="color: #0000ff;">msgInfo</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"No conection"</span> <span style="color: #000000;">)</span> <br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> .F. <span style="color: #000000;">)</span> <br /> END <br /> <br /> cConnectionString = <span style="color: #ff0000;">"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:<span style="color: #000000;">\p</span>rg<span style="color: #000000;">\u</span>suarios<span style="color: #000000;">\w</span>zaf<span style="color: #000000;">\t</span>est.mdb;User Id=admin;Password=;"</span><br /> <br /> oCon:<span style="color: #000000;">connectionString</span> := cConnectionString <br /> <br /> <span style="color: #00C800;">TRY</span> <br /> oCon:<span style="color: #000000;">open</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <br /> ? <span style="color: #ff0000;">"Connection ok!"</span> <br /> <br /> CATCH oError <br /> <span style="color: #0000ff;">msgInfo</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"No conection"</span> <span style="color: #000000;">)</span> <br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> .F. <span style="color: #000000;">)</span> <br /> END <br /> <br /><span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> oCon <span style="color: #000000;">)</span> <br /><br /><span style="color: #B900B9;">//----------------------------------------------------------------------------// </span><br /><br /><br /><span style="color: #00C800;">FUNCTION</span> MySQLRecordSet<span style="color: #000000;">(</span> oCon <span style="color: #000000;">)</span> <br /> <br /> <span style="color: #00C800;">LOCAL</span> oRs, oError, cQuerySql <br /> <br /> <br /> <span style="color: #00C800;">TRY</span> <br /> oRs := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">new</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.RecordSet"</span> <span style="color: #000000;">)</span> <br /> <br /> CATCH oError <br /> <br /> msgStop<span style="color: #000000;">(</span> <span style="color: #ff0000;">"No hay RS"</span> <span style="color: #000000;">)</span> <br /> oRs := <span style="color: #00C800;">NIL</span> <br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> .F. <span style="color: #000000;">)</span> <br /> <br /> END <br /> <br /> cQuerySql := <span style="color: #ff0000;">"SELECT first FROM TEST WHERE id = 3"</span> <br /> <br /> oRs:<span style="color: #000000;">cursorLocation</span> := adUseClient <span style="color: #B900B9;">// 3 </span><br /> oRs:<span style="color: #000000;">lockType</span> := adLockOptimistic <span style="color: #B900B9;">// 3 </span><br /> oRs:<span style="color: #000000;">cursorType</span> := adOpenDynamic <span style="color: #B900B9;">// 2 </span><br /> <br /> <span style="color: #00C800;">TRY</span> <br /> oRs:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> cQuerySql , oCon <span style="color: #000000;">)</span> <br /> CATCH oError <br /> msgStop<span style="color: #000000;">(</span> <span style="color: #ff0000;">"No Query '"</span> + cQuerySql + <span style="color: #ff0000;">"'"</span> <span style="color: #000000;">)</span> <br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> .F. <span style="color: #000000;">)</span> <br /> END <br /><br /> oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"first"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> := <span style="color: #ff0000;">"testing"</span><br /> oRs:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span> oRs <span style="color: #000000;">)</span> <br /><br /> </div>[/code:35zsehuw]
|
ADO update() error
|
Daniel,
your code works fine in my environment.
I tried also to recompile and link , and it works!
The only difference is that I use Mysql with "MySQL ODBC 5.1 Driver" and connection string is :
[i:1y25b885]cConnectionString := "Driver={MySQL ODBC 5.1 Driver};Server=localhost;Database=mydb; User=myuser;Password=mypassw"[/i:1y25b885]
If I use this connection string in your file , and modify the Select statement to work in my DB, I get the usual error: [b:1y25b885]update error() [/b:1y25b885]!
Tank you
Best regards
Wzaf.
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ADO update() error
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Try this,
ConnectionString := "Driver={MySQL ODBC 5.1 Driver};Server=127.0.0.1;Port=3306;Database=mydb;User=myuser;Password=mypassw;Option=3;"
The below given code to update a recordset is working fine for me
[code=fw:2ris8h0j]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00C800;">TRY</span><br /> oRecSet:= CreateObject<span style="color: #000000;">(</span><span style="color: #ff0000;">"ADODB.RecordSet"</span><span style="color: #000000;">)</span><br />CATCH oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Failed to Create Recordset"</span><span style="color: #000000;">)</span><br /> ShowSqlError<span style="color: #000000;">(</span>oError<span style="color: #000000;">)</span><br /> oRecSet:=<span style="color: #00C800;">NIL</span><br /> <span style="color: #00C800;">Return</span> .F.<br />END<br /><br />cSql:=<span style="color: #ff0000;">"Select Branch_ID, User_ID, UserName, Password, User_Level, Active from users where Branch_ID="</span>+ltrim<span style="color: #000000;">(</span>str<span style="color: #000000;">(</span>oApp:<span style="color: #000000;">nBranchID</span><span style="color: #000000;">)</span><span style="color: #000000;">)</span>+<span style="color: #ff0000;">" and User_Id ="</span>+Alltrim<span style="color: #000000;">(</span>str<span style="color: #000000;">(</span>oTmp:<span style="color: #000000;">nUserId2</span><span style="color: #000000;">)</span><span style="color: #000000;">)</span><br />oRecSet:<span style="color: #000000;">CursorLocation</span> := adUseClient<br />oRecSet:<span style="color: #000000;">LockType</span> := adLockOptimistic<br />oRecSet:<span style="color: #000000;">CursorType</span> := adOpenDynamic<br />oRecSet:<span style="color: #000000;">Source</span> :=cSQL<br />oRecSet:<span style="color: #000000;">ActiveConnection</span><span style="color: #000000;">(</span>oApp:<span style="color: #000000;">oConnection</span><span style="color: #000000;">)</span><br /><span style="color: #00C800;">TRY</span><br /> oRecSet:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br />CATCH oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Failed to Open Recordset of User Details"</span><span style="color: #000000;">)</span><br /> ShowSqlError<span style="color: #000000;">(</span>oError<span style="color: #000000;">)</span><br /> oRecSet:=<span style="color: #00C800;">NIL</span><br /> <span style="color: #00C800;">Return</span> .F.<br />END<br /><span style="color: #00C800;">If</span> oRecSet:<span style="color: #000000;">Eof</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> .and. oRecSet:<span style="color: #000000;">Bof</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Failed to update the changes, No Records found in retrieved recordset"</span><span style="color: #000000;">)</span><br /> oRecSet:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">Return</span> .F.<br /><span style="color: #00C800;">Endif</span><br /><br />oRecSet:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Password"</span><span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span>:=Alltrim<span style="color: #000000;">(</span>oTmp:<span style="color: #000000;">cPassword2</span><span style="color: #000000;">)</span><br />oRecSet:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Active"</span><span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span>:=<span style="color: #00C800;">If</span><span style="color: #000000;">(</span>oTmp:<span style="color: #000000;">nStatus2</span> == <span style="color: #000000;">1</span>,<span style="color: #ff0000;">"T"</span>,<span style="color: #ff0000;">"F"</span><span style="color: #000000;">)</span><br />oRecSet:<span style="color: #0000ff;">UpDate</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br />SysRefresh<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br />oRecSet:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span></div>[/code:2ris8h0j]
Regards
Anser
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ADO update() error
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Tank you Anser
I tried your code , but now when I try the following :
[code=fw:1ftzl9x1]<div class="fw" id="{CB}" style="font-family: monospace;"><br />RecSet:<span style="color: #000000;">Source</span> :=cSQL<br />oRecSet:<span style="color: #000000;">ActiveConnection</span><span style="color: #000000;">(</span>oCon<span style="color: #000000;">)</span><br />oRecSet:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:1ftzl9x1]
I get the following error:
WINOLE/1007 Argument error: ACTIVECONNECTION
while if I do :
[code=fw:1ftzl9x1]<div class="fw" id="{CB}" style="font-family: monospace;"><br /> oRecSet:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span>cSql, oCon<span style="color: #000000;">)</span><br /> </div>[/code:1ftzl9x1]
the creation of RecordSet succeed .
I think there is something wrong in the installation of ADO in my pc.
May Be ?
Best regards
WZaf
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ADO update() error
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wzaf...
try change to this line
[code=fw:24tacsxr]<div class="fw" id="{CB}" style="font-family: monospace;">oRecordSet:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"SELECT iddoc, filename FROM testi WHERE iddoc = 217 "</span> , oConnection <span style="color: #000000;">)</span></div>[/code:24tacsxr]
i added iddoc (columns) inside select
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ADO update() error
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Tank you very mutch, Daniel.
Now the update works!
It seems that ADO wants in RecordSet the primary key , otherwise it fails when update the DB.
Not only, but when I tried to update (and getting errors), the table where [b:1fpthbet]modified [/b:1fpthbet]in more than one row, not only the row holding the '217' key!!! .
Best regards,
Wzaf
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ADO with DBF (accentuation)
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hi guys!
I'm use select in a table DBF with ADO, and the accentuation in RecordSet is wrong. Anyone know how to fix?
[code=fw:uwmg8qnm]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00C800;">Function</span> U_Teste<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><span style="color: #00C800;">Local</span> oConn<br /><span style="color: #00C800;">Local</span> cSQL<br /><span style="color: #00C800;">Local</span> rsClaims<br /><br />oConn:= CreateObject<span style="color: #000000;">(</span><span style="color: #ff0000;">"ADODB.Connection"</span><span style="color: #000000;">)</span><br />oConn:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:<span style="color: #000000;">\t</span>emp<span style="color: #000000;">\d</span>ados;Extended Properties=DBASE IV"</span><span style="color: #000000;">)</span><br /><br />cSQL := <span style="color: #ff0000;">"SELECT * FROM SP50001"</span><br /><br />rsClaims := CreateObject<span style="color: #000000;">(</span><span style="color: #ff0000;">"ADODB.Recordset"</span><span style="color: #000000;">)</span><br />rsClaims:<span style="color: #000000;">CursorLocation</span> := <span style="color: #000000;">3</span> <span style="color: #B900B9;">// adUseClient</span><br />rsClaims:<span style="color: #000000;">CursorType</span> := <span style="color: #000000;">3</span> <span style="color: #B900B9;">// adOpenStatic</span><br />rsClaims:<span style="color: #000000;">ActiveConnection</span>:= oConn<br />rsClaims:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span>cSQL<span style="color: #000000;">)</span><br /><br />rsClaims:<span style="color: #000000;">MoveFirst</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br />MsgStop<span style="color: #000000;">(</span>rsClaims:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"SP5_CODIGO"</span><span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span><span style="color: #000000;">)</span> <span style="color: #B900B9;">//HERE IS TO SHOW 'MIRIÃ' BUT IS SHOWING 'MIRI+'</span><br /><br /><span style="color: #00C800;">Return</span><br /> </div>[/code:uwmg8qnm]
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ADO with DBF (accentuation)
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I found!
Is just change de register in windows: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Jet\4.0\Engines\xBase, DataCodePage=OEM to DataCodePage=ANSI
Thanks
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ADO with DBF (accentuation)
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Great!!! Thanks for sharing it.
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ADO with DBF (accentuation)
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I have the same problem with MS SQL .
It is fine with xharbour and Fivewin 9.11 but with Harbour and Fivewin 2012 not .
What is the register key for Ms SQL .
Thanks.
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ADO with DBF (accentuation)
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Jack, look in the provider string connection, something like charset=ISOXXXX.
[quote="Jack":r9wa4zwj]I have the same problem with MS SQL .
It is fine with xharbour and Fivewin 9.11 but with Harbour and Fivewin 2012 not .
What is the register key for Ms SQL .
Thanks.[/quote:r9wa4zwj]
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ADO with Oracle
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Hi All...
can someone help me....? <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt=":(" title="Sad" /><!-- s:( -->
I try to migration database file from a DBF to Oracle database file.
but i cannot execute query : Insert and Update.
my code like this:
#include "fivewin.ch"
static oRs, oErr
func main
local cSQL, cConnStr
local i, txtKode := "01x", txtKet := "test it"
cSQL := "SELECT * FROM MyTable"
cConnStr := 'Provider=MSDAORA.1;Data Source=dblocal;User ID=mulyadi;Password=1234'
oRs := TOleAuto():New( "ADODB.Recordset" )
oRs:CursorType := 1 // opendkeyset
oRs:CursorLocation := 3 // local cache
oRs:LockType := 3 // lockoportunistic
TRY
oRs:Open( cSQL, cConnStr )
CATCH oErr
MsgInfo( "Error in Opening Oracle table" )
RETURN(.F.)
END TRY
oRs:MoveFirst()
// add record --> is Oke
for i := 1 to 5
oRs:AddNew()
oRs:Fields(0):Value := "01" + alltrim(str(10 + i))
oRs:Fields(1):Value := "test " + oRs:Fields(0):Value
oRs:Update()
next i
// now i try to use a Query
cSQL = "INSERT INTO MyTable (KODE,KET) VALUE( '" + txtKode + "','" + txtKet + "')"
//
FW_OpenRecordSet( cConnStr, cSQL ) /* result ---> no action */
// or
HB_AdoSetQuery( cSQL ) /* result ---> no action */
oRs:Close()
return nil
Hi friend... what wrong with my Code....?
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ADO with Oracle
|
[code=fw:qguwkxlf]<div class="fw" id="{CB}" style="font-family: monospace;">oCn := FW_OpenAdoConnection<span style="color: #000000;">(</span> cConnStr <span style="color: #000000;">)</span><br />cSql := <span style="color: #ff0000;">"INSERT INTO MyTable (KODE,KET) VALUE( '"</span> + txtKode + <span style="color: #ff0000;">"','"</span> + txtKet + <span style="color: #ff0000;">"')"</span><br />oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span> cSql <span style="color: #000000;">)</span><br /><span style="color: #B900B9;">// other code, example</span><br />oRs := FW_OpenRecordSet<span style="color: #000000;">(</span> oCn, <span style="color: #ff0000;">"SELECT * FROM MyTable"</span> <span style="color: #000000;">)</span><br /><span style="color: #0000ff;">xbrowse</span><span style="color: #000000;">(</span> oRs <span style="color: #000000;">)</span><br />oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br />oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:qguwkxlf]
|
ADO with Oracle
|
Just curious .. I was never a fan or used sucessfully the oledb provider MSDAORA.1 <!-- s:| --><img src="{SMILIES_PATH}/icon_neutral.gif" alt=":|" title="Neutral" /><!-- s:| --> With Oracle, I found the best success using the Oracle OLEDB provider directly from Oracle and since I had to use a 3rd party Oledb client ( not native to ms Windows ) I just went to the source.
<!-- m --><a class="postlink" href="http://www.oracle.com/technetwork/database/windows/utilsoft-088126.html">http://www.oracle.com/technetwork/datab ... 88126.html</a><!-- m -->
Don't forget you will have to make sure you have your .ora files configured correctly for your connection.
Note Rao's correct advice using a oCn 'connection' rather than a recordset ..
My 2 cents
Rick Lipkin
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ADO with Oracle
|
[quote:2iz1walg]Oracle OLEDB provider[/quote:2iz1walg]
Microsofts Oracle OLEDB provider works better than even the one provided by Oracle.
|
ADO with Oracle
|
Halo... <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->
I try sample code from mr.nageswaragunupudi like :
oCn:Execute( cSql )
result : Error description: Error BASE/1004 Class: 'NIL' has no exported method: EXECUTE
Why...? <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt=":(" title="Sad" /><!-- s:( -->
.
for Mr.Rick Lipkin,
many thanks, i get and try the code from this forum,
and I has install Oracle 10g R2, ODAC ver 10.2.0.2.0
when i develop using Visual Studio 2010 is oke, no problem
with the oracle database and other setting file.
statemen in connection string 'MSDAORA.1' i get from this forum <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
but to use original driver from oracle, i dont know the file name.
Help me please..... <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt=":(" title="Sad" /><!-- s:( -->
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ADO with Oracle
|
Try the connection either way with MSDAORA.1 .. it should work..
[code=fw:1nd8g6fz]<div class="fw" id="{CB}" style="font-family: monospace;"><br />cConnStr := <span style="color: #ff0000;">'Provider=MSDAORA.1;Data Source=dblocal;User ID=mulyadi;Password=1234'</span><br /><br />oCn := CREATEOBJECT<span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Connection"</span> <span style="color: #000000;">)</span><br /><span style="color: #00C800;">TRY</span><br /> oCn:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> cConnStr <span style="color: #000000;">)</span><br />CATCH oERR<br /> SAYING := <span style="color: #ff0000;">"Error in Opening connection to Oracle"</span><br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> SAYING <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span>.F.<span style="color: #000000;">)</span><br />END <span style="color: #00C800;">TRY</span><br /><br />cSql := <span style="color: #ff0000;">"INSERT INTO MyTable (KODE,KET) VALUE( '"</span> + txtKode + <span style="color: #ff0000;">"','"</span> + txtKet + <span style="color: #ff0000;">"')"</span><br /> <br /><span style="color: #00C800;">Try</span><br /> oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span>cSql<span style="color: #000000;">)</span><br />Catch<br /> oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Error in Insert"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span>.F.<span style="color: #000000;">)</span><br />End <span style="color: #00C800;">Try</span><br /><br />oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:1nd8g6fz]
Rao's code should work also
[code=fw:1nd8g6fz]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><br />cConnStr := <span style="color: #ff0000;">'Provider=MSDAORA.1;Data Source=dblocal;User ID=mulyadi;Password=1234'</span><br />oCn := FW_OpenAdoConnection<span style="color: #000000;">(</span> cConnStr <span style="color: #000000;">)</span><br />cSql := <span style="color: #ff0000;">"INSERT INTO MyTable (KODE,KET) VALUE( '"</span> + txtKode + <span style="color: #ff0000;">"','"</span> + txtKet + <span style="color: #ff0000;">"')"</span><br /><br /><span style="color: #00C800;">Try</span><br /> oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span> cSql <span style="color: #000000;">)</span><br />Catch oErr<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Error in Insert"</span><span style="color: #000000;">)</span><br /> oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">Return</span><span style="color: #000000;">(</span>.f.<span style="color: #000000;">)</span><br />End <span style="color: #00C800;">Try</span><br /><br />oCn:<span style="color: #000000;">CLose</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:1nd8g6fz]
Both should work .. If the code breaks at the oCn:Execute() statement, you probably have a syntax error in you Sql Statement.
Rick Lipkin
|
ADO with Oracle
|
To: Mr Rick Lipkin,
Sorry with my English... <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
My complete file like this:
table: MYTABLE in Mulyadi schema
--> now i try connect with 'SYSTEM' user previlage 'SYSDBA'
tnsnames.ora
------------
DBLOCAL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.5.201)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = dblocal)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
second opinion string connection :
i change connection string with original driver from oracle like this:
----------------------------------------------------------------------
cStr := 'Provider=OraOLEDB.Oracle;Data Source=dblocal;User ID=system;Password=itboss'
and my completed code like the samples on the top isue like this :
#include "fivewin.ch"
func main
local oCn, cSql, cStr, SAYING, txtKode := "01x", txtKet := "test..."
local oErr
// cStr := 'Provider=OraOLEDB.Oracle;Data Source=dblocal;User ID=system;Password=itboss'
cStr := 'Provider=MSDAORA.1;Data Source=dblocal;User ID=system;Password=itboss'
oCn := CREATEOBJECT( "ADODB.Connection" )
TRY
oCn:Open( cStr )
CATCH oERR
SAYING := "Error in Opening connection to Oracle"
MsgInfo( SAYING )
RETURN(.F.)
END TRY
cSql := "INSERT INTO mulyadi.MyTable (KODE,KET) VALUE( '" + txtKode + "','" + txtKet + "')"
Try
oCn:Execute(cSql)
Catch
oCn:Close()
MsgInfo( "Error in Insert" )
RETURN(.F.)
End Try
oCn:Close()
return nil
--------------------------
Result: Error in Insert
What the problem with this code.....?
|
ADO with Oracle
|
Since you made it through the initial connection without it breaking .. I think your .ora files are correct.
Try this Sql Statement ( added s to the word Value ) and added a space after VALUES
cSql := "INSERT INTO mulyadi.MyTable (KODE,KET) VALUES ( '" + txtKode + "','" + txtKet + "')"
Sample Insert statement
<!-- m --><a class="postlink" href="http://www.w3schools.com/sql/sql_insert.asp">http://www.w3schools.com/sql/sql_insert.asp</a><!-- m -->
I would also check the lengths of your fields in your table to make sure the variables you are inserting do not exceed those field lengths. If you are trying to insert a value greater than the field length your insert statement will fail.
Rick Lipkin
|
ADO with Oracle
|
Oke mr, my struc table is so simple, : )
KODE VARCHAR2 (20)
KET VARCHAR2 (50)
thanks for answer my question, to next time i try again.. <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
if found any idea for solution or other trick, can your give me a simple code to the case,
and send to my email at: [url]mrmulyadi32@gmail.com[/url]
for UPDATE and DELETE statemen is okey no problem, but for INSERT is not success.
Thanks.
Mulyadi from Indonesia..
|
ADO with Oracle
|
Mulyadi
Try your insert code with this statement:
[code=fw:2igvl4px]<div class="fw" id="{CB}" style="font-family: monospace;"><br />cSql := <span style="color: #ff0000;">"INSERT INTO mulyadi.MyTable (KODE,KET) VALUES ( '"</span> + txtKode + <span style="color: #ff0000;">"','"</span> + txtKet + <span style="color: #ff0000;">"')"</span><br /> </div>[/code:2igvl4px]
I made some syntactical changes per my last post... Let me know how it works.
Rick Lipkin
|
ADO with Oracle
|
Mr Rick Lipkin.
its works fine... <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->
to now, I understand with the case statement at:
Original me : ...VALUES ('" // result --> No action
your solution : ...VALUES ( '" // result --> working fine
Thanks for your attention..
see you againt in other case... <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
Mulyadi.
|
ADO with Oracle
|
Glad it is working ..
Rick
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Que tal a todos, buen dia
Estoy trabajando con una MDB de ACCES de un reloj checador
y tienes una tabla de checadas
Esta tabla tiene un campo tipo DATETIME
quiero obtener este campo para saber fecha y hora
peroooooooooooooo
sale en blanco
La conexion a la MDB ya lo tengo
LA creacion del Recor ya esta , pero al ver lo que trae este record en ese campo viene vacio
Alguien me puede echar la mano con eso, no logro obtenerlo.
GetRecSet('SELECT * FROM USERINFO')
Esta es mi coneccion a la MDB
[code=fw:38i4vbbw]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00C800;">STATIC</span> <span style="color: #00C800;">FUNCTION</span> ConnectToAccess<span style="color: #000000;">(</span>__cRuta<span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> lConnect := .f.<br /> <span style="color: #00C800;">local</span> cStr := <span style="color: #ff0000;">"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="</span> + ;<br /> __cRuta+<span style="color: #ff0000;">"att2000.mdb;User Id=admin;Password=;"</span><br /> <span style="color: #00C800;">IF</span> oCon == <span style="color: #00C800;">nil</span><br /> oCon := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">new</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"ADODB.Connection"</span><span style="color: #000000;">)</span><br /> oCon:<span style="color: #000000;">ConnectionString</span> := cStr<br /> <span style="color: #00C800;">TRY</span><br /> oCon:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> lConnect := .t.<br /> CATCH<br /> oCon := <span style="color: #00C800;">nil</span><br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">'Connect Fail'</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span><br /> END<br /> <span style="color: #00C800;">ELSE</span><br /> lConnect := .t.<br /> <span style="color: #00C800;">ENDIF</span><br /><span style="color: #00C800;">RETURN</span> lConnect<br /> </div>[/code:38i4vbbw]
Esta es el Record
[code=fw:38i4vbbw]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00C800;">STATIC</span> <span style="color: #00C800;">FUNCTION</span> GetRecSet<span style="color: #000000;">(</span>__Tabla<span style="color: #000000;">)</span><br /> <span style="color: #00C800;">LOCAL</span> oRecSet<br /> <span style="color: #00C800;">IF</span> oCon != <span style="color: #00C800;">nil</span> .and. oRs == <span style="color: #00C800;">nil</span><br /> oRs := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">new</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.RecordSet"</span> <span style="color: #000000;">)</span><br /> oRs:<span style="color: #000000;">ActiveConnection</span> := oCon<br /> oRs:<span style="color: #000000;">Source</span> := __Tabla<br /> oRs:<span style="color: #000000;">LockType</span> := <span style="color: #000000;">4</span> <span style="color: #B900B9;">// adLockOptimistic</span><br /> oRs:<span style="color: #000000;">CursorLocation</span> := <span style="color: #000000;">3</span> <span style="color: #B900B9;">//adUseClient</span><br /> oRs:<span style="color: #000000;">CacheSize</span> := <span style="color: #000000;">100</span><br /> <span style="color: #00C800;">TRY</span><br /> oRs:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> CATCH <br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">'Access Table Open Failure'</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span><br /> END<br /> <span style="color: #00C800;">ENDIF</span><br /> oRecSet := oRs:<span style="color: #000000;">Clone</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">IF</span> oRs:<span style="color: #000000;">RecordCount</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> > <span style="color: #000000;">0</span><br /> oRecSet:<span style="color: #000000;">Sort</span> := oRecSet:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #000000;">0</span><span style="color: #000000;">)</span>:<span style="color: #0000ff;">Name</span><br /> oRecSet:<span style="color: #000000;">MoveFirst</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">ENDIF</span><br /><span style="color: #00C800;">RETURN</span> oRecSet<br /> </div>[/code:38i4vbbw]
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Intenta así para que puedas mirar si la consulta trae información
[code=fw:143of9u2]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00C800;">STATIC</span> <span style="color: #00C800;">FUNCTION</span> GetRecSet<span style="color: #000000;">(</span>cQuery<span style="color: #000000;">)</span><br /> <span style="color: #00C800;">LOCAL</span> oRecSet<br /> oRecSet:= FW_OPENRECORDSET<span style="color: #000000;">(</span>oCon,cQuery,adLockOptimistic,adOpenKeyset<span style="color: #000000;">)</span><br /> nRegi := oRecSet:<span style="color: #000000;">RecordCount</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">if</span> nRegi!=<span style="color: #000000;">0</span><br /> <span style="color: #0000ff;">xbrowse</span><span style="color: #000000;">(</span>oRecSet<span style="color: #000000;">)</span><br /> <span style="color: #00C800;">else</span><br /> <span style="color: #0000ff;">msginfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"vacio"</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">endif</span><br /> oRecSet:<span style="color: #000000;">close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><span style="color: #00C800;">RETURN</span> <span style="color: #00C800;">nil</span><br /> </div>[/code:143of9u2]
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Que tal Leandro
Pues resulta que ha de ser la version de FWH
por que no me funciona FW_OPENRECORDSET
me marca error al compilar.
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Leandro.
Al ver si trae datos el recordset
lo marco asi : oRs:RecordCount() -> 527,456
?oRs:Fields( "CHECKTIME" ):Value -> VACIO
?Dtoc(oRs:Fields( "CHECKTIME" ):Value) -> 10/02/2021 == Aqui solo me faltaría ver la hora pero no se como
jajajajajaja es una locura,
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Asi :
[code=fw:1bxqfiir]<div class="fw" id="{CB}" style="font-family: monospace;"><br /> uData := oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"CHECKTIME"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span><br /> uData := ttos<span style="color: #000000;">(</span> uData <span style="color: #000000;">)</span> <br /> cFecha := STod<span style="color: #000000;">(</span><span style="color: #0000ff;">Substr</span><span style="color: #000000;">(</span>uData,<span style="color: #000000;">1</span>,<span style="color: #000000;">8</span><span style="color: #000000;">)</span><span style="color: #000000;">)</span><br /> cHora := <span style="color: #0000ff;">Substr</span><span style="color: #000000;">(</span>uData,<span style="color: #000000;">9</span>,<span style="color: #000000;">2</span><span style="color: #000000;">)</span>+<span style="color: #ff0000;">":"</span>+<span style="color: #0000ff;">Substr</span><span style="color: #000000;">(</span>uData,<span style="color: #000000;">11</span>,<span style="color: #000000;">2</span><span style="color: #000000;">)</span>+<span style="color: #ff0000;">":"</span>+<span style="color: #0000ff;">Substr</span><span style="color: #000000;">(</span>uData,<span style="color: #000000;">13</span>,<span style="color: #000000;">2</span><span style="color: #000000;">)</span><br /><br /> </div>[/code:1bxqfiir]
|
ADO y ""DATETIME"" como obtener SOLUCIONADO
|
Javier:
Muchas gracias.
Saludos
|
ADO y Access apertura de bases de datos
|
Hola amigos...
El tema de consulta es este, tengo una aplicacion con una base de datos de access que recibe actualizaciones permanentes via FTP desde distintos lugares.
Lo que hago actualmente es abrir la comunicacion con la base con oCon:= tOleAuto():new('ADODB.Connection') cada vez que alguien envia datos nuevos y cerrarla con oCon:close()
al terminar.
Pregunta: es posible mantener abierta la comunicacion con la DB en forma indefinida y abrir y cerrar solamente el recordset ? o es preferible hacer lo anterior
saludos a todos
|
ADO y Access apertura de bases de datos
|
Hola,
No trabajo con ADO, pero se me ocurre que en vez de cerrar la conexion, podrias "refrescar" el objeto cada cierto tiempo con un TIMER
oRs:Source:Refresh() o algo asi,,,
Salu2
|
ADO y Access apertura de bases de datos
|
Estimado rterraz
No he trabajado con ftp, y tampoco tengo claro si usas rcordsets . Aunque según veo usas ftp para subir archivos. En mi caso uso adostream para subir cualquier archivo binario al servidor MySql.
De todas formas lo que si es seguro que puedes mantener abierta la conexión durante el uso de la aplicación.
Con esa conexión abierta puedes abrir un objeto recordset, ejecutar un objeto command o abrir una conexion stream
No estoy seguro cual de los objetos usas para el ftp .
También hay que tener en cuenta que dependiendo de la configuración del servidor éste puede cerrar la conexión después de cierto tiempo de inactividad.
Es todo lo que puedo aportar
Un saludo
Marcelo Jingo
|
ADO y Access apertura de bases de datos
|
Hola Marcelo, gracias por tu respuesta
yo lo que hago es subir a un servidor via ftp desde distintos lugares un archivo XML que se procesa en el servidor.
Hace una cantidad importante de verificaciones y dependiendo del resultado de las mismas va llenando diferentes tablas de una base de access a la que accedo desde mi aplicacion usando ADO.
LAs transacciones llegan constantemente y yo estoy abriendo y cerrando la conexion con access cada vez que proceso una de ellas.
Lo que quiero hacer es dejar la conexion con la base de access abierta permanentemente y solo abrir y cerrar los recordset necesarios.Mi preocupacion es estar seguro de que procediendo asi no haya mas posibilidades de que ocurran errores en la base de datos. Antes usaba el FWH con bases DBF y mi costumbre era abrirlas y cerrarlas al terminar cada proceso para evitar errores y corrupciones de los indices.
Creo que estas bases de datos relacionales son mas seguras en ese sentido pero aun no tengo mucha experiencia con su uso y el acceso atraves del SQL y es por eso que pregunto !!!!
saludos
Raul Terraz
|
ADO y Access apertura de bases de datos
|
Raúl,
Puedes tener abierta tu base todo el tiempo en que tu aplicativo está en ejecución.
Cargas tus datos con RecordSet al inicio. No hace falta que lo cierres. Simplemente, con un Timer, cada cierto tiempo haces un oRecordSet:Requery() y a continuación un oRecordSet:Refresh().
Saludos,
Carlos Gallego
|
ADO y Access apertura de bases de datos
|
Raúl,
En el proceso que sea invocado por el Timer, no olvides, antes del oRecordSet:Requery(), verificar que no se haya caído la conexión a tu servidor.
Carlos Gallego
|
ADO y FiveWin
|
Hola amigos
Donde puedo encontrar la manera de usar ADO con FiveWin Harbour.
Y si esta tecnologia es compatible con FiveLinux.
Gracias.
|
ADO y FiveWin
|
Arturo,
En <!-- w --><a class="postlink" href="http://www.capelblog.com">www.capelblog.com</a><!-- w --> hay dos artículos que hablan sobre ADO. Tambien vas a encontrar dos clases básicas para acceso a bases de datos con ADO y tOleauto. En linux creo que va a ser complicado que funcionen. ADO solo funciona bajo Windows.
Saludos,
José Luis Capel
|
ADO y FiveWin
|
Gracias por la informacion, entonces que tecnologia puedo usar para accesar las Bases de Datos tanto en Guindows y Linux, para no tener que reprogramar al pasar de un SO al otro.
|
ADO y XBROWSE (Solucionado)
|
Un saludo a todosEstoy tratando de usar el recordset con xbrowse. Me funciona muy bien con el wbrowse de Hernán, pero siempre hay algunas cosillas que éste no tiene implentado lo que el xbrose si. Me he guiado con los ejemplos que aparecen en el foro, pero tengo el siguiente problema:Yo uso harbour, pero uno de los ejemplos está basado en xHarbour :[code:spytr859]
oCol := oBrw:AddCol()
WITH OBJECT oCol
:bStrData := {|| cValToChar( rs:fields(0):Value ) }
:cHeader := rs:fields(0):Name
END
oCol := oBrw:AddCol()
WITH OBJECT oCol
:bStrData := {|| cValToChar( rs:fields(1):Value ) }
:cHeader := rs:fields(1):Name
END
[/code:spytr859]
Luego de probar y probar lo solucioné creando tantas variables ocol como columnas se quiera crear. Quedando así en Harbour:
[code:spytr859]
oCol1:= oBrw:AddCol()
oCol1:bStrData := {|| cValToChar( rs:fields(0):Value ) }
oCol1:cHeader := rs:fields(0):Name
oCol2 := oBrw:AddCol()
oCol2:bStrData := {|| cValToChar( rs:fields(1):Value ) }
oCol2:cHeader := rs:fields(1):Name
[/code:spytr859]Esto funciona, pero creo que no es nada práctico declarar 10 variables ocol si tengo 10 columnas....; entonces cómo hago para hacer lo que hace WITH OBJECT.....END, que no tiene harbour. O de qué otra manera puedo solucionarlo.Me dirán que use el comando @x,y XBROWSE...., o que use el método SetAdo(), pero no puedo porque tengo el fw de mayo 2006 y no tiene implentado esas novedades. Tampoco me digan que tengo que comprarme la nueva versión de FW <!-- s:( --><img src="{SMILIES_PATH}/icon_sad.gif" alt=":(" title="Sad" /><!-- s:( --> .Y por último, por qué me sale "ERROR BASE/1005 Class: NIL has no exported property:OCLIENT" al colocar esta línea:oWnd:oClient := oBrw Qué función tiene dicha línea?. Al quitarla desaparece el error, pero el browse aparece en una ventana pequeñita.Gracias sinceras por su apoyo.Marcelo Jingo
|
ADO y XBROWSE (Solucionado)
|
Marcelo,Harbour ya soporta WITH OBJECT. Solo tienes que actualizar tu versión de Harbour desde <!-- w --><a class="postlink" href="http://www.fivetechsoft.com/files/harbour.exe">www.fivetechsoft.com/files/harbour.exe</a><!-- w -->>Y por último, por qué me sale "ERROR BASE/1005 Class: NIL has no exported property:OCLIENT" al colocar esta línea: oWnd:oClient := oBrw >Porque oWnd, por alguna causa, es nil y no contiene a tu ventana principal.
|
ADO y XBROWSE (Solucionado)
|
Gracias Antonio.He bajado el archivo indicado. Renombré la carpeta anterior de harbour y he instalado la nueva versión. Al compilar la aplicación me ha pedido una serie de librerías que no traía la nueva versión; a lo que he ido copiando las de la versión anterior en mi nueva carpeta LIB. Pero finalmente me da otros errores que no sé cómo slucionar:[code:2jbnwzd3]
Turbo Incremental Link 5.00 Copyright (c) 1997, 2000 Borland
Error: Unresolved external '_hb_gt_w32_tone' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_hb_gt_w32_getKbdState' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_hb_gt_w32_setKbdState' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_hb_gt_w32_setClipboard' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_hb_gt_w32_getClipboard' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_hb_itemPutCLPtr' referenced from C:\HARBOUR\LIB\GTWIN.LIB|gtwin
Error: Unresolved external '_HB_FUN_DBFFPT' referenced from C:\HARBOUR\LIB\RDD.LIB|rddsys
Error: Unresolved external '_hb_vmProcessSymbolsEx' referenced from C:\CICIADM2\OBJ\WINDOW.OBJ
[/code:2jbnwzd3]por favor qué hago?...Otra cosa: Veo que en harbour viene una librería rddado.lib, cómo se la puede usar desde FW.Un SaludoMarcelo Jingo
|
ADO y XBROWSE (Solucionado)
|
Gracias Antonio por la buena voluntad. Pero no he podido generar mi aplicación con la nueva versión de Harbour que me he bajado. Por lo tanto este punto queda pendiente y lo postearé bajo otro título.Por lo tanto he tratado de resolverlo con lo que tengo, y ya lo he logrado. Ahora sí puedo navegar por el recordset usando XBROWSE.Lo del oClient, también solucionado (creo que estuve despistado) .Seguiré con esto del ADO y XBrowse así que cualquier cosa estaré molestando.Un SaludoMarcelo Jingo
|
ADO y XBROWSE (Solucionado)
|
Marcelo, creo no es necesario que uses una variable por columna oCol1... oCol10.puedes usar una sola oCol, ya que oCol := oBrw:AddCol()inicias un objeto columna y lo inserta al browse, luego con las siguientes instrucciones lo modificas, hasta encontrarse con el siguienteoCol := oBrw:AddCol()
|
ADO y XBROWSE (Solucionado)
|
Gracias Carlos por tu interésLo que dices es verdad, ya me di cuenta, y es así como está resuelto. El problema era que no generaba un codeblock correcto al momento de asignar a bStrdata. Y como dije este post está solucionado.Un saludo Marcelo Jingo
|
ADO y la funcion Date2txt()
|
Alex:
Yo uso una función propia llamada Date2Txt() por lo que deduzco que estas tomando los ejemplos
que hay en mi blog, <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) --> es así?
Saludos
|
ADO y la funcion Date2txt()
|
estoy haciendo pruebas con ADO y mysql y me falta esta funcion, alguien sabe en que libreria esta?
gracias
alejandro
|
ADO y la funcion Date2txt()
|
jajaja pues si, aca <!-- m --><a class="postlink" href="http://sqlcmd.blogspot.com/2008/10/creando-un-reporte.html">http://sqlcmd.blogspot.com/2008/10/crea ... porte.html</a><!-- m -->
no pense me leyeras aca, de hecho te escribe al blog tambien, jejeje
bueno pense seria de alguna libreria extraña de harbour o mysql o algo asi
|
ADO's question and xbrowse
|
Friends of the forum have good day. Here I being a nuisance again.
1-> ADO, can I look for a locate inside an already created recorset? Slightly this way like to do a DbSeek (). Not if s could.
2-XBROWSE, Since I can validate the apprehension in a xbrowse to the moment to rig(orchestrate) in order that it works as the valid in a get. In order that if it(she) is not correct the apprehension does not allow to go out.
3-XBROWSE, I Can do that when it(he,she) presses a key it(he,she) specifies (for example f2)
|
ADO- Access no refresca adecuadamente el Recordset
|
Hola,
Estoy utilizando una base de datos Access 2003 a través de ADO en un único PC.
A veces, cuando agrego los registros el Recordset no se actualiza, a pesar de la llamada a oRs:Requery(), incluso dos veces. Tengo que esperar 3-4 segundos y después de ese tiempo se ven los cambios.
Yo sólo experimento este comportamiento con Access, con MySQL, SQL, funciona correctamnente.
Esta es la cadena de conexión:
[code=fw:w2rd1m4s]<div class="fw" id="{CB}" style="font-family: monospace;"> cStr := <span style="color: #ff0000;">'Provider='</span>+<span style="color: #ff0000;">"Microsoft.Jet.OLEDB.4.0"</span>+<span style="color: #ff0000;">';Data Source='</span>+cBD<br /> </div>[/code:w2rd1m4s]
Y así es como abro el RecordSet:
[code=fw:w2rd1m4s]<div class="fw" id="{CB}" style="font-family: monospace;"> <span style="color: #00C800;">LOCAL</span> oError<br /><br /> <span style="color: #00C800;">DEFAULT</span> cSQL := <span style="color: #ff0000;">"SELECT * From TablaInexistente"</span><br /><br /><br /><br /> <span style="color: #B900B9;">// open a recordset on demand with sql statement and connection string</span><br /> oRsUser := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Recordset"</span> <span style="color: #000000;">)</span><br /> oRsUser:<span style="color: #000000;">CursorType</span> := <span style="color: #000000;">1</span> <span style="color: #B900B9;">// opendkeyset</span><br /> oRsUser:<span style="color: #000000;">CursorLocation</span> := <span style="color: #000000;">3</span> <span style="color: #B900B9;">// local cache</span><br /> oRsUser:<span style="color: #000000;">LockType</span> := <span style="color: #000000;">3</span> <span style="color: #B900B9;">// lockoportunistic</span><br /><br /><br /> <span style="color: #00C800;">TRY</span><br /> oRsUser:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> cSQL, cStr <span style="color: #000000;">)</span><br /> oCn := oRsUser:<span style="color: #000000;">ActiveConnection</span><br /> oRdbms := FW_RDBMSName<span style="color: #000000;">(</span> oCn <span style="color: #000000;">)</span><br /><br /> CATCH oError<br /> ado_ErrorNoRecordSet<span style="color: #000000;">(</span>oError<span style="color: #000000;">)</span> <span style="color: #B900B9;">// Mensaje de Error</span><br /> oRsUser := <span style="color: #00C800;">nil</span><br /> END<br /> </div>[/code:w2rd1m4s]
¿A alguien le ha pasado?.
¿Alguna idea por favor?.
Muy agradecido.
Un saludo,
>Gracias.
|
ADO- Access no refresca adecuadamente el Recordset
|
<!-- l --><a class="postlink-local" href="http://forums.fivetechsupport.com/viewtopic.php?f=3&t=26628&p=147295#p147295">viewtopic.php?f=3&t=26628&p=147295#p147295</a><!-- l -->
|
ADO- Access no refresca adecuadamente el Recordset
|
He preparado un ejemplo:
<!-- m --><a class="postlink" href="http://demo.ovh.es/en/9beda86cc9165fb7bae4af1cd65c05f9/">http://demo.ovh.es/en/9beda86cc9165fb7bae4af1cd65c05f9/</a><!-- m -->
[img:1kn117fs]http://i44.tinypic.com/2je4j14.png[/img:1kn117fs]
Muchas gracias.
|
ADO- Access no refresca adecuadamente el Recordset
|
Lucas:
Intenta con
[code=fw:2vkp5q1y]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRsFol:<span style="color: #000000;">CursorType</span> := adOpenDynamic<br /> </div>[/code:2vkp5q1y]
Échale una mirada a este link
<!-- m --><a class="postlink" href="http://www.w3schools.com/ado/ado_ref_recordset.asp">http://www.w3schools.com/ado/ado_ref_recordset.asp</a><!-- m -->
Saludos
|
ADO-filter question
|
Hi,
Does anyone know how to put a filter on a recordset with a compare between 2 fields?
Those 2 filters are working fine
[code=fw:16i9m640]<div class="fw" id="{CB}" style="font-family: monospace;">oRs1:<span style="color: #000000;">filter</span>:=<span style="color: #ff0000;">"minstock < 0"</span></div>[/code:16i9m640]
[code=fw:16i9m640]<div class="fw" id="{CB}" style="font-family: monospace;">oRs1:<span style="color: #000000;">filter</span>:=<span style="color: #ff0000;">"stock < 0"</span></div>[/code:16i9m640]
but when I do
[code=fw:16i9m640]<div class="fw" id="{CB}" style="font-family: monospace;">oRs1:<span style="color: #000000;">filter</span>:=<span style="color: #ff0000;">"stock < minstock"</span></div>[/code:16i9m640]
I get an error
Just for testing, i tried oRs1:filter:="0 > stock", and also have an error. Is it only possible to fut a fieldname a the left-site of a comparison?
|
ADO-filter question
|
ADO filter method allows only one column name in the filter expression, as far as I know.
EMG
|
ADO-filter question
|
Enrico,
Thanks for the information. That's what I found out after searching for ADO-filters.
I guess I have to create a new recordset with a filter-condition.
|
ADO-filter question
|
Marc
Here is a sample of a common multi-field filter I use...
Rick Lipkin
[code=fw:1e5kiovf]<div class="fw" id="{CB}" style="font-family: monospace;"><br />cFilter1 := <span style="color: #ff0000;">"[iid] like '"</span>+cStockno1+<span style="color: #ff0000;">"%' and [itype] like '"</span>+cType2+<span style="color: #ff0000;">"%'"</span><br />cFilter2 := <span style="color: #ff0000;">"[d] like '%"</span>+cDesc1+<span style="color: #ff0000;">"%' and [itype] like '"</span>+cType2+<span style="color: #ff0000;">"%'"</span><br />cFilter3 := <span style="color: #ff0000;">"[Bin] like '"</span>+cBin1+<span style="color: #ff0000;">"%' and [itype] like '"</span>+cType2+<span style="color: #ff0000;">"%'"</span><br /><br />oRs:<span style="color: #000000;">Filter</span> := cFilter1+<span style="color: #ff0000;">" and "</span>+cFilter2+<span style="color: #ff0000;">" and "</span>+cFilter3<br /> </div>[/code:1e5kiovf]
|
ADO-filter question
|
Rick,
I also use filters with multiple fields. But you can only compare a field with a fixed value and not with another field.
You can use [code=fw:2vmi2p2u]<div class="fw" id="{CB}" style="font-family: monospace;">oRs:<span style="color: #000000;">Filter</span> := <span style="color: #ff0000;">"Field1 = 0 AND Field2 = 0"</span></div>[/code:2vmi2p2u] but not [code=fw:2vmi2p2u]<div class="fw" id="{CB}" style="font-family: monospace;">oRs:<span style="color: #000000;">Filter</span> := <span style="color: #ff0000;">"Field1 > Field2"</span></div>[/code:2vmi2p2u]
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
Amigos:
Tengo el siguiente problema, requiero actualizar un campo de recordset, el cual se construyo en base a un query, luego de actualizar me arroja error
cSql:="SELECT D.*,DP.NOMBRE AS DPTO, PR.NOMBRE AS PROV,DI.NOMBRE AS DIST "+;
"FROM DIRECCION D "+;
" LEFT JOIN DEPARTAMENTO DP ON D.CODDEP=DP.CODDEP "+;
" LEFT JOIN PROVINCIA PR ON D.CODPRO=PR.CODPRO AND D.CODDEP=PR.CODDEP "+;
" LEFT JOIN DISTRITO DI ON D.CODDIS=DI.CODDIS AND D.CODPRO=DI.CODPRO AND D.CODDEP=DI.CODDEP "+;
"WHERE CODSOC = '"+ oRs:Fields("CODSOC"):Value +"' "+;
"ORDER BY ACTIVO"
oRsDir := TOleAuto():New( "ADODB.RecordSet" )
WITH OBJECT oRsDir
:ActiveConnection := oApp:oCon
:Source := cSql
:CursorLocation := adUseClient
:LockType := adLockOptimistic
:CursorType := adOpenDynamic
TRY
:Open()
CATCH
FW_ShowAdoError( oApp:oCon )
END
END
oRsDir:Properties("Unique Table"):Value := "DIRECCION"
&& AQUI ACTUALIZO
-------------------------
oRsDir:Fields("ACTIVO"):Value:='0' && el campo activo es de la tabla direccion
oRsDir:Update()
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
Hola:
No has indicado el error.
Asimismo, esta línea debería usar la función FW_ValToSQL():
"WHERE CODSOC = '"+ oRs:Fields("CODSOC"):Value +"' "+;
que debería ser:
[code=fw:h3tgblvt]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #ff0000;">"WHERE CODSOC = "</span> + FW_ValToSQL<span style="color: #000000;">(</span>oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"CODSOC"</span><span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span><span style="color: #000000;">)</span> +;</div>[/code:h3tgblvt]
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
Moises:
El error que se presenta es el siguiente:
[b:1uhvfj3i]NO IMPLEMENTADO[/b:1uhvfj3i]
[b:1uhvfj3i]Source:[/b:1uhvfj3i] Provider
[b:1uhvfj3i]NativeError:[/b:1uhvfj3i] -2147467263
[b:1uhvfj3i]Error Source:[/b:1uhvfj3i] Provider
[b:1uhvfj3i]Sql State:[/b:1uhvfj3i]
El problema radica en que la construccion del query, es por la union de 03 tablas, para luego solo requerir actualizar un campo de una tabla, por ello aplico lo siguiente:
oRsDir:Properties("Unique Table"):Value := "DIRECCION"
En las recordset donde uso 01 tabla, aplico el mismo codigo y la actualización se realiza sin problemas.
Gracias Moises y a todos.
Saludos
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
Ángel Miguel:
Te voy a contar mi experiencia con SELECT que usan LEFT JOIN, ya sea de dos o mas tablas,
mi problema es que cuando elimino el registro de una de las dos tablas con oRs:Delete se
eliminan los registros de ambas tablas, por favor prueba y ya nos contaras.
Tal ves por ahí va tu problema, mi solución?, no usar oRs:Update u oRs:Delete, utiliza
el comando UPDATE o DELETE según sea el caso.
Saludos
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
Hola, mi experiencia con MySQL es que en un Select combinado con Join no se puede actualizar un campo, no lo permite el conector ODBC.
Mi solución es abrir la tabla sin el Join y posicionarme en el mismo ID, actualizar y cerrar el objeto ADO, por último un reQuery del select original.
Un saludo.
|
ADO: ACTUALIZAR CAMPO DE SELECT DE 02 TABLAS MSSQL
|
[b:1mc2cmma]Amando y Gmart1:[/b:1mc2cmma]
Aplique el UPDATE respetivo, seguido del requery respectivo al recordset, con ello di solución a mi problema. Muchas Gracias por su tiempo y apoyo.
[b:1mc2cmma]Nages:[/b:1mc2cmma]
Será factible tu comentario sobre la limitaciòn que presenta ado para estos casos. Gracias de antemano.
|
ADO: Listing tables from a database
|
[code=fw:2skcqm6e]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"FiveWin.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xbrowse.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xhb.ch"</span><br /><br /><span style="color: #00C800;">function</span> Main<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">local</span> oCon := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Connection"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> oCat := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADOX.Catalog"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> oRs := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Recordset"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> aTables := <span style="color: #000000;">{</span><span style="color: #000000;">}</span>, cTable, oError<br /><br /> <span style="color: #00C800;">try</span><br /> oCon:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Provider='Microsoft.Jet.OLEDB.4.0'; Data Source='xbrtest.mdb';"</span> <span style="color: #000000;">)</span><br /> catch oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> oError:<span style="color: #000000;">Description</span> <span style="color: #000000;">)</span><br /> end <br /><br /> oCat:<span style="color: #000000;">ActiveConnection</span> = oCon<br /> oRs = oCon:<span style="color: #000000;">OpenSchema</span><span style="color: #000000;">(</span> <span style="color: #000000;">20</span> <span style="color: #000000;">)</span> <span style="color: #B900B9;">// adSchemaTables</span><br /> <br /> <span style="color: #00C800;">while</span> ! oRs:<span style="color: #000000;">Eof</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> AAdd<span style="color: #000000;">(</span> aTables, oRs:<span style="color: #000000;">Fields</span>:<span style="color: #000000;">Item</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Table_Name"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> <span style="color: #000000;">)</span><br /> oRs:<span style="color: #000000;">MoveNext</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> end <br /> <br /> XBROWSER aTables <span style="color: #0000ff;">SELECT</span> cTable := aTables<span style="color: #000000;">[</span> oBrw:<span style="color: #000000;">nArrayAt</span> <span style="color: #000000;">]</span><br /><br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> oRs:<span style="color: #000000;">CursorType</span> = <span style="color: #000000;">1</span> <span style="color: #B900B9;">// opendkeyset</span><br /> oRs:<span style="color: #000000;">CursorLocation</span> = <span style="color: #000000;">3</span> <span style="color: #B900B9;">// local cache</span><br /> oRs:<span style="color: #000000;">LockType</span> = <span style="color: #000000;">3</span> <span style="color: #B900B9;">// lockoportunistic</span><br /><br /> <span style="color: #00C800;">if</span> ! Empty<span style="color: #000000;">(</span> cTable <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">try</span><br /> oRs:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"SELECT * FROM "</span> + cTable, oCon <span style="color: #000000;">)</span> <span style="color: #B900B9;">// Password="abc" )</span><br /> catch oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> oError:<span style="color: #000000;">Description</span> <span style="color: #000000;">)</span><br /> end <br /><br /> XBrowser<span style="color: #000000;">(</span> oRS <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">endif</span><br /> <br /><span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span></div>[/code:2skcqm6e]
|
ADO: Listing tables from a database
|
This is an alternative way of doing it using the most recent FWH functions:
[code=fw:39hzug0s]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"FiveWin.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xbrowse.ch"</span><br /><br /><span style="color: #00C800;">function</span> Main<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">local</span> oCn, oRs, cTable<br /><br /> oCn := FW_OpenAdoConnection<span style="color: #000000;">(</span> <span style="color: #ff0000;">"Provider='Microsoft.Jet.OLEDB.4.0'; Data Source='xbrtest.mdb';"</span> <span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">if</span> oCn != <span style="color: #00C800;">nil</span><br /> oRs := oCn:<span style="color: #000000;">OpenSchema</span><span style="color: #000000;">(</span> <span style="color: #000000;">20</span> <span style="color: #000000;">)</span><br /><br /> #ifdef __XHARBOUR__<br /> oRs:<span style="color: #000000;">cClassName</span> := <span style="color: #ff0000;">"RECORDSET"</span> <span style="color: #B900B9;">// due to a bug in xbrowse.prg. Fixed in FWH13.05</span><br /> #endif<br /><br /> XBROWSER oRs <span style="color: #0000ff;">TITLE</span> <span style="color: #ff0000;">"Select a table"</span> ;<br /> COLUMNS <span style="color: #000000;">{</span> <span style="color: #ff0000;">"TABLE_NAME"</span> <span style="color: #000000;">}</span> <span style="color: #0000ff;">SELECT</span> <span style="color: #000000;">(</span> cTable := oBrw:<span style="color: #000000;">aCols</span><span style="color: #000000;">[</span> <span style="color: #000000;">1</span> <span style="color: #000000;">]</span>:<span style="color: #000000;">Value</span> <span style="color: #000000;">)</span><br /> <br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <br /> <span style="color: #00C800;">if</span> ! Empty<span style="color: #000000;">(</span> cTable <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">if</span> <span style="color: #ff0000;">' '</span> $ cTable<br /> cTable := <span style="color: #ff0000;">'['</span> + cTable + <span style="color: #ff0000;">']'</span><br /> <span style="color: #00C800;">endif</span><br /> <span style="color: #00C800;">if</span> <span style="color: #000000;">(</span> oRs := FW_OpenRecordSet<span style="color: #000000;">(</span> oCn, cTable <span style="color: #000000;">)</span> <span style="color: #000000;">)</span> != <span style="color: #00C800;">nil</span><br /> XBROWSER oRs AUTOSORT<br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">else</span><br /> ? <span style="color: #ff0000;">"Failed to open "</span> + cTable<br /> <span style="color: #00C800;">endif</span><br /> <span style="color: #00C800;">endif</span><br /> oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">else</span><br /> ? <span style="color: #ff0000;">"Connection Fail"</span><br /> <span style="color: #00C800;">endif</span><br /><br /><span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span></div>[/code:39hzug0s]
|
ADO: Listing tables from a database
|
Antonio
I like where you are going with ADO here ..
One thing that needs to be done is add the ability for a password to the connection string. Let me dig deeper and see if I can help.
Rick Lipkin
|
ADO: Listing tables from a database
|
Antonio
I am using fwh1303 and xHarbour .. Trying to compile and getting an error on EXECUTE .. I rem'd it out temporarily to get get a good build.
Rick Lipkin
[code=fw:2pouio1h]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #0000ff;">DEFINE</span> <span style="color: #0000ff;">BUTTON</span> <span style="color: #0000ff;">OF</span> oBar <span style="color: #0000ff;">PROMPT</span> <span style="color: #ff0000;">"Run"</span> <span style="color: #0000ff;">RESOURCE</span> <span style="color: #ff0000;">"run"</span> <span style="color: #0000ff;">ACTION</span> <span style="color: #00C800;">nil</span> GROUP <span style="color: #B900B9;">//Execute( ( cAlias )->Code )</span><br /> </div>[/code:2pouio1h]
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ADO: Listing tables from a database
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Rick,
What compiling error do you get ? syntax error only ? There is no DEFINE BUTTON in my code
I really would appreciate your cooperation in adding ADO support to FWH FiveDBU.prg:
[url:8pf9hnrt]https://code.google.com/p/fivewin-contributions/downloads/detail?name=fivedbu_20130503_2.zip[/url:8pf9hnrt]
We already open databases and tables, Add a record, and we get an error deleting one (the browse painting after it). Rao is also helping on this.
If we are able to provide all the required ADO functionality from FiveDBU I think that we will be providing a great help for users wanting to easily use ADO <!-- s:-) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":-)" title="Smile" /><!-- s:-) -->
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ADO: Listing tables from a database
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Antonio
Let me see what I can do with your code .. here is the line where my compile fails on Execute()
Rick Lipkin
[url=http://imageshack.us/photo/my-images/94/fivedbu.jpg/:pvbw1ikm][img:pvbw1ikm]http://img94.imageshack.us/img94/4962/fivedbu.jpg[/img:pvbw1ikm][/url:pvbw1ikm]
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ADO: Listing tables from a database
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Rick,
I am afraid that Execute() portion of FiveDBU will not work with xHarbour and we use the great Harbour capability to compile and execute from memory in runtime. I am going to review the syntax of that line.
We have just published an enhanced FiveDBU with Add and Delete from an ADO browse <!-- s:-) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":-)" title="Smile" /><!-- s:-) -->
<!-- l --><a class="postlink-local" href="http://forums.fivetechsupport.com/viewtopic.php?f=3&t=26229&p=144053#p144053">viewtopic.php?f=3&t=26229&p=144053#p144053</a><!-- l -->
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ADO: Listing tables from a database
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Rick,
An enhanced version already published that supports editing:
<!-- l --><a class="postlink-local" href="http://forums.fivetechsupport.com/viewtopic.php?p=144063#p144063">viewtopic.php?p=144063#p144063</a><!-- l -->
It compiles fine here with xHarbour, except that function Execute() has to be declared dummy. Maybe we will supply it by default.
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ADO: Listing tables from a database
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Antonio,
As soon as you implement the option to define a connection-string, I will test it on MySQL/MariaDB & SQLite-databases.
I can't modify the program myself, since I still use an older version of FW (7.10) that is not able to compile the source.
With my old version I can use and browse MySQL & SQLite-database via ADO without any problem. That's the reason wy I didn't upgrade yet to a newer version. <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
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ADO: Listing tables from a database
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Marc,
Could you email me the connection string ? I will build it for you and email it to you.
There were lots of OLE errors that have been fixed in the recent years, thats why I suggest you to upgrade and don't block yourself on an old version <!-- s:-) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":-)" title="Smile" /><!-- s:-) -->
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ADO: RECORSET Y SET RELATION
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Tengo una aplicación antigua con dbf donde estoy pasando una de las tablas a MySql en un servidor en internet, para que desde periféricos móviles, les envien los datos de situación online. Esta información se baja filtrada desde el servidor a la aplicacion local, en un oRs:Recorset mediante un SELECT.
Las tablas maestras, siguen funcionando en local y en dbf. Pero me encuentro con un problema. Anteriormente la tabla que tengo en internet (cuando era dbf) tenia un SET RELATION con otras tablas maestras que tengo en local en dbf.
Lo que hago ahora es despues de bajar el oRs:Recorset, paso esa información a una dbf temporal donde incluyo el SET RELATION. Pero para ganar tiempo, me gustaria realizar ese SET RELATION en el array del oRs directamente.
En resumen, ¿hay alguna manera de realizar un SET RELATION entre un array (oRst) y una tabla dbf?.
Muchas gracias.
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ADO: RECORSET Y SET RELATION
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Hola Manuel,
si tienes todo en MySQL podrías incluir los datos relacionados con un JOIN, pero si están en dbfs.... es un poco complejo, creo que lo más sencillo es como lo estás haciendo.
ADO tiene eventos, uno de ellos es algo asi como onRecordChange, donde tenrdías que hacer los seeks. Pero hay que usar eventos.
Otra alternativa es que pruebes de usar ADORDD, no estoy seguro si tiene implementadas las relaciones, no está terminado pqero si es para lectura es otra posibilidad.
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ADO: RECORSET Y SET RELATION
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Gracias Carlos.
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ADO: Revisando las tablas de una base de datos
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[code=fw:jpoyplww]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"FiveWin.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xbrowse.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xhb.ch"</span><br /><br /><span style="color: #00C800;">function</span> Main<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">local</span> oCon := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Connection"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> oCat := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADOX.Catalog"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> oRs := TOleAuto<span style="color: #000000;">(</span><span style="color: #000000;">)</span>:<span style="color: #00C800;">New</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADODB.Recordset"</span> <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">local</span> aTables := <span style="color: #000000;">{</span><span style="color: #000000;">}</span>, cTable, oError<br /><br /> <span style="color: #00C800;">try</span><br /> oCon:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Provider='Microsoft.Jet.OLEDB.4.0'; Data Source='xbrtest.mdb';"</span> <span style="color: #000000;">)</span><br /> catch oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> oError:<span style="color: #000000;">Description</span> <span style="color: #000000;">)</span><br /> end <br /><br /> oCat:<span style="color: #000000;">ActiveConnection</span> = oCon<br /> oRs = oCon:<span style="color: #000000;">OpenSchema</span><span style="color: #000000;">(</span> <span style="color: #000000;">20</span> <span style="color: #000000;">)</span> <span style="color: #B900B9;">// adSchemaTables</span><br /> <br /> <span style="color: #00C800;">while</span> ! oRs:<span style="color: #000000;">Eof</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> AAdd<span style="color: #000000;">(</span> aTables, oRs:<span style="color: #000000;">Fields</span>:<span style="color: #000000;">Item</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Table_Name"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> <span style="color: #000000;">)</span><br /> oRs:<span style="color: #000000;">MoveNext</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> end <br /> <br /> XBROWSER aTables <span style="color: #0000ff;">SELECT</span> cTable := aTables<span style="color: #000000;">[</span> oBrw:<span style="color: #000000;">nArrayAt</span> <span style="color: #000000;">]</span><br /><br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> oRs:<span style="color: #000000;">CursorType</span> = <span style="color: #000000;">1</span> <span style="color: #B900B9;">// opendkeyset</span><br /> oRs:<span style="color: #000000;">CursorLocation</span> = <span style="color: #000000;">3</span> <span style="color: #B900B9;">// local cache</span><br /> oRs:<span style="color: #000000;">LockType</span> = <span style="color: #000000;">3</span> <span style="color: #B900B9;">// lockoportunistic</span><br /><br /> <span style="color: #00C800;">if</span> ! Empty<span style="color: #000000;">(</span> cTable <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">try</span><br /> oRs:<span style="color: #000000;">Open</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"SELECT * FROM "</span> + cTable, oCon <span style="color: #000000;">)</span> <span style="color: #B900B9;">// Password="abc" )</span><br /> catch oError<br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span> oError:<span style="color: #000000;">Description</span> <span style="color: #000000;">)</span><br /> end <br /><br /> XBrowser<span style="color: #000000;">(</span> oRS <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">endif</span><br /> <br /><span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span></div>[/code:jpoyplww]
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ADO: Revisando las tablas de una base de datos
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Esta es una versión alternativa usando las funciones más recientes implementadas en FWH:
[code=fw:2ngqsfm4]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"FiveWin.ch"</span><br /><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"xbrowse.ch"</span><br /><br /><span style="color: #00C800;">function</span> Main<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">local</span> oCn, oRs, cTable<br /><br /> oCn := FW_OpenAdoConnection<span style="color: #000000;">(</span> <span style="color: #ff0000;">"Provider='Microsoft.Jet.OLEDB.4.0'; Data Source='xbrtest.mdb';"</span> <span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">if</span> oCn != <span style="color: #00C800;">nil</span><br /> oRs := oCn:<span style="color: #000000;">OpenSchema</span><span style="color: #000000;">(</span> <span style="color: #000000;">20</span> <span style="color: #000000;">)</span><br /><br /> #ifdef __XHARBOUR__<br /> oRs:<span style="color: #000000;">cClassName</span> := <span style="color: #ff0000;">"RECORDSET"</span> <span style="color: #B900B9;">// due to a bug in xbrowse.prg. Fixed in FWH13.05</span><br /> #endif<br /><br /> XBROWSER oRs <span style="color: #0000ff;">TITLE</span> <span style="color: #ff0000;">"Select a table"</span> ;<br /> COLUMNS <span style="color: #000000;">{</span> <span style="color: #ff0000;">"TABLE_NAME"</span> <span style="color: #000000;">}</span> <span style="color: #0000ff;">SELECT</span> <span style="color: #000000;">(</span> cTable := oBrw:<span style="color: #000000;">aCols</span><span style="color: #000000;">[</span> <span style="color: #000000;">1</span> <span style="color: #000000;">]</span>:<span style="color: #000000;">Value</span> <span style="color: #000000;">)</span><br /> <br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <br /> <span style="color: #00C800;">if</span> ! Empty<span style="color: #000000;">(</span> cTable <span style="color: #000000;">)</span><br /> <span style="color: #00C800;">if</span> <span style="color: #ff0000;">' '</span> $ cTable<br /> cTable := <span style="color: #ff0000;">'['</span> + cTable + <span style="color: #ff0000;">']'</span><br /> <span style="color: #00C800;">endif</span><br /> <span style="color: #00C800;">if</span> <span style="color: #000000;">(</span> oRs := FW_OpenRecordSet<span style="color: #000000;">(</span> oCn, cTable <span style="color: #000000;">)</span> <span style="color: #000000;">)</span> != <span style="color: #00C800;">nil</span><br /> XBROWSER oRs AUTOSORT<br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">else</span><br /> ? <span style="color: #ff0000;">"Failed to open "</span> + cTable<br /> <span style="color: #00C800;">endif</span><br /> <span style="color: #00C800;">endif</span><br /> oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">else</span><br /> ? <span style="color: #ff0000;">"Connection Fail"</span><br /> <span style="color: #00C800;">endif</span><br /><br /><span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span></div>[/code:2ngqsfm4]
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ADO: Update() AddNew() GetRows() - Simplified Usage
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We all know the methods Update(), AddNew() and GetRows() of ADODB RecordSet. I propse here to consider a simpler alternative usage of these methods.
For example, let us consider oRs:Update() method. We are familiar with this way of usage:
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"First"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> := cFirst<br />oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Age"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> := nAge<br /><span style="color: #B900B9;">// < for all fields ></span><br /><span style="color: #B900B9;">// and then</span><br />oRs:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
Depending on the number of fields, this code may run into several lines and again in each line the laborious coding of "oRs:Fields( "<name>" ):Value := <newvalue>"
Instead, I suggest considering the following single line approach:
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span> <span style="color: #000000;">{</span> <span style="color: #ff0000;">"FIRST"</span>, <span style="color: #ff0000;">"LAST"</span>, <span style="color: #ff0000;">"AGE"</span>, <span style="color: #ff0000;">"SALARY"</span> <span style="color: #000000;">}</span>, <span style="color: #000000;">{</span> cFirst, cLast, nAge, nSalary <span style="color: #000000;">}</span> <span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
In case we have the names of the fields and values ( read and edited ) in arrays like aCols and aVals, we can write
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span> aCols, aVals <span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
Similarly the familiar coding for AddNew() is:
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #000000;">AddNew</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br />oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"First"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> := cFirst<br />oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"Age"</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span> := nAge<br /><span style="color: #B900B9;">// < for all fields ></span><br /><span style="color: #B900B9;">// and then</span><br />oRs:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
Even here we have short-cut:
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #000000;">AddNew</span><span style="color: #000000;">(</span> <span style="color: #000000;">{</span> <span style="color: #ff0000;">"FIRST"</span>, <span style="color: #ff0000;">"LAST"</span>, <span style="color: #ff0000;">"AGE"</span>, <span style="color: #ff0000;">"SALARY"</span> <span style="color: #000000;">}</span>, <span style="color: #000000;">{</span> cFirst, cLast, nAge, nSalary <span style="color: #000000;">}</span> <span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
OR
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />oRs:<span style="color: #000000;">AddNew</span><span style="color: #000000;">(</span> aCols, aVals <span style="color: #000000;">)</span><br /> </div>[/code:1m3cqn0z]
Important: When we use array of field names and values, we need not call oRs:Update()
Reading the present values of all the fields into an array;
Familiar method:
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />aVals := Array<span style="color: #000000;">(</span> oRs:<span style="color: #000000;">Fields</span>:<span style="color: #0000ff;">Count</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <span style="color: #000000;">)</span><br /><span style="color: #00C800;">for</span> i := <span style="color: #000000;">1</span> <span style="color: #0000ff;">to</span> oRs:<span style="color: #000000;">Fields</span>:<span style="color: #0000ff;">Count</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> aVals<span style="color: #000000;">[</span> i <span style="color: #000000;">]</span> := oRs:<span style="color: #000000;">Fields</span><span style="color: #000000;">(</span> i - <span style="color: #000000;">1</span> <span style="color: #000000;">)</span>:<span style="color: #000000;">Value</span><br /><span style="color: #00C800;">next</span><br /> </div>[/code:1m3cqn0z]
We an make this process simpler and faster by using GetRows() method.
[code=fw:1m3cqn0z]<div class="fw" id="{CB}" style="font-family: monospace;"><br />aVals := oRs:<span style="color: #000000;">GetRows</span><span style="color: #000000;">(</span> <span style="color: #000000;">0</span>, <span style="color: #000000;">1</span> <span style="color: #000000;">)</span><span style="color: #000000;">[</span> <span style="color: #000000;">1</span> <span style="color: #000000;">]</span> <span style="color: #B900B9;">// from current position (0) read one row (1)</span><br />aOriginals := AClone<span style="color: #000000;">(</span> aVals <span style="color: #000000;">)</span> <span style="color: #B900B9;">// later compare to check modified or not</span><br />oRs:<span style="color: #000000;">MovePrevious</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <span style="color: #B900B9;">// GetRows() advances the record pointer. Put it back</span><br /> </div>[/code:1m3cqn0z]
For sample usage of this approach, please see \fwh\samples\adoxbr01.prg
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ADO: filter does not work on memo fields [fixed]
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Hi,
Performing a filter on ADO (oRs:Filter) using LIKE on a memo field does not work.
Is there a way?
Thank you.
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ADO: filter does not work on memo fields [fixed]
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Moises:
It Works fine to me.
Show us your code, pls.
Regards
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ADO: filter does not work on memo fields [fixed]
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Armando,
This is the code:
[code=fw:289fbagn]<div class="fw" id="{CB}" style="font-family: monospace;">cFiltro := cCampo + space<span style="color: #000000;">(</span><span style="color: #000000;">1</span><span style="color: #000000;">)</span> + <span style="color: #ff0000;">"LIKE"</span> + space<span style="color: #000000;">(</span><span style="color: #000000;">1</span><span style="color: #000000;">)</span> + <span style="color: #ff0000;">"'%"</span>+alltrim<span style="color: #000000;">(</span>cLiteral<span style="color: #000000;">)</span>+<span style="color: #ff0000;">"%'"</span></div>[/code:289fbagn]
It works except on memo fields.
Thank you.
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ADO: filter does not work on memo fields [fixed]
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Moises:
This is may code, the CLI_NOM field is a TEXT type field.
[code=fw:1xodigol]<div class="fw" id="{CB}" style="font-family: monospace;"><br /><span style="color: #00C800;">STATIC</span> <span style="color: #00C800;">FUNCTION</span> FilNom<span style="color: #000000;">(</span>oDlg,oBrw,aGets<span style="color: #000000;">)</span><br /> cFilNom := ALLTRIM<span style="color: #000000;">(</span>cFilNom<span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">IF</span> ! EMPTY<span style="color: #000000;">(</span>cFilNom<span style="color: #000000;">)</span><br /> <span style="color: #00C800;">IF</span> oRsPry:<span style="color: #000000;">BOF</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> .AND. oRsPry:<span style="color: #000000;">EOF</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"No hay obras donde buscar !"</span>,oApp:<span style="color: #000000;">cAplicacion</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">ELSE</span><br /> oRsPry:<span style="color: #000000;">Filter</span> := <span style="color: #ff0000;">"CLI_NOM LIKE "</span> + <span style="color: #ff0000;">"'%"</span> + cFilNom + <span style="color: #ff0000;">"%'"</span><br /> <span style="color: #00C800;">IF</span> oRsPry:<span style="color: #000000;">BOF</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> .AND. oRsPry:<span style="color: #000000;">EOF</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #0000ff;">MsgInfo</span><span style="color: #000000;">(</span><span style="color: #ff0000;">"Cliente "</span> + cFilNom + <span style="color: #ff0000;">" no localizado !"</span>,oApp:<span style="color: #000000;">cAplicacion</span><span style="color: #000000;">)</span><br /> oRsPry:<span style="color: #000000;">Filter</span> := adFilterNone<br /> <span style="color: #00C800;">ENDIF</span><br /> <span style="color: #00C800;">ENDIF</span><br /> <span style="color: #00C800;">ELSE</span><br /> oRsPry:<span style="color: #000000;">Filter</span> := adFilterNone<br /> <span style="color: #00C800;">ENDIF</span><br /><br /> oBrw:<span style="color: #0000ff;">Refresh</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> oDlg:<span style="color: #0000ff;">Update</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> cFilNom := SPACE<span style="color: #000000;">(</span><span style="color: #000000;">40</span><span style="color: #000000;">)</span><br /> aGets<span style="color: #000000;">[</span><span style="color: #000000;">02</span><span style="color: #000000;">]</span>:<span style="color: #000000;">oJump</span> := oBrw<br /><span style="color: #00C800;">RETURN</span><span style="color: #000000;">(</span>.T.<span style="color: #000000;">)</span><br /> </div>[/code:1xodigol]
Regards
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ADO: filter does not work on memo fields [fixed]
|
Yes, in text fields works, but not in memo fields, where I have the issue.
Thank you.
|
ADO: filter does not work on memo fields [fixed]
|
Up!
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ADO: filter does not work on memo fields [fixed]
|
There is not Memo Field type in any sql database, MSAccess, MySql or MSSql
In MSAccess, MySql, MSSql the field type is TEXT.
In Oracle the field type is also called CLOB
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ADO: filter does not work on memo fields [fixed]
|
Yes, I mean long text or blob fields.
In such fields, this line does not work:
[code=fw:2pz403wo]<div class="fw" id="{CB}" style="font-family: monospace;">cFilter := cFieldName + space<span style="color: #000000;">(</span><span style="color: #000000;">1</span><span style="color: #000000;">)</span> + <span style="color: #ff0000;">"LIKE"</span> + space<span style="color: #000000;">(</span><span style="color: #000000;">1</span><span style="color: #000000;">)</span> + <span style="color: #ff0000;">"'%"</span>+alltrim<span style="color: #000000;">(</span>cUserText<span style="color: #000000;">)</span>+<span style="color: #ff0000;">"%'"</span></div>[/code:2pz403wo]
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ADO: filter does not work on memo fields [fixed]
|
In our tests, filters on LONGTEXT fields are working.
This is the test program:
[code=fw:1ad91v0h]<div class="fw" id="{CB}" style="font-family: monospace;"><span style="color: #00D7D7;">#include</span> <span style="color: #ff0000;">"fivewin.ch"</span><br /><br /><span style="color: #00C800;">function</span> Main<span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">local</span> oCn, cSql, oRs<br /><br /> oCn := FW_DemoDB<span style="color: #000000;">(</span> <span style="color: #ff0000;">"ADO"</span> <span style="color: #000000;">)</span><br /><br /> <span style="color: #00C800;">TRY</span><br /> oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span> <span style="color: #ff0000;">"DROP TABLE testmemo"</span> <span style="color: #000000;">)</span><br /> CATCH<br /> END<br /><br /><span style="color: #0000ff;">TEXT</span> INTO cSql<br />CREATE TABLE testmemo <span style="color: #000000;">(</span><br /> <span style="color: #0000ff;">id</span> INT AUTO_INCREMENT PRIMARY KEY<br /> ,<span style="color: #0000ff;">name</span> VARCHAR<span style="color: #000000;">(</span><span style="color: #000000;">10</span><span style="color: #000000;">)</span><br /> ,memo LONGTEXT<br /><span style="color: #000000;">)</span><br />ENDTEXT<br /><br /> oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span> cSql <span style="color: #000000;">)</span><br /><br /><span style="color: #0000ff;">TEXT</span> INTO cSql<br />INSERT INTO testmemo <span style="color: #000000;">(</span> <span style="color: #0000ff;">name</span>, memo <span style="color: #000000;">)</span> VALUES<br /> <span style="color: #000000;">(</span> <span style="color: #ff0000;">"AAA"</span>, <span style="color: #ff0000;">"one two three"</span> <span style="color: #000000;">)</span>,<br /> <span style="color: #000000;">(</span> <span style="color: #ff0000;">"BBB"</span>, <span style="color: #ff0000;">"three four five"</span> <span style="color: #000000;">)</span>,<br /> <span style="color: #000000;">(</span> <span style="color: #ff0000;">"CCC"</span>, <span style="color: #ff0000;">"five six seven"</span> <span style="color: #000000;">)</span><br />ENDTEXT<br /><br /> oCn:<span style="color: #000000;">Execute</span><span style="color: #000000;">(</span> cSql <span style="color: #000000;">)</span><br /><br /> oRs := FW_OpenRecordSet<span style="color: #000000;">(</span> oCn, <span style="color: #ff0000;">"testmemo"</span> <span style="color: #000000;">)</span><br /> ? oRs:<span style="color: #000000;">RecordCount</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <span style="color: #B900B9;">// ----------------------> 3</span><br /> oRs:<span style="color: #000000;">Filter</span> := <span style="color: #ff0000;">"MEMO LIKE %three%"</span><br /> oRs:<span style="color: #000000;">MoveFirst</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> ? oRs:<span style="color: #000000;">RecordCount</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span> <span style="color: #B900B9;">// ----------------------> 2 : Filter success</span><br /><br /> oRs:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> oCn:<span style="color: #000000;">Close</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /><br /><span style="color: #00C800;">return</span> <span style="color: #00C800;">nil</span><br /> </div>[/code:1ad91v0h]
|
ADO: filter does not work on memo fields [fixed]
|
My mistake: I was using oBrw:oRs instead of oRs with all fields.
Thank you.
|
ADO: load recordset into an Array
|
Hi,
In my previous Harbour and FWH version, in order to load contents of Recordset in ADO, I did:
[code=fw:1e6095xh]<div class="fw" id="{CB}" style="font-family: monospace;"> <span style="color: #00C800;">IF</span> ! <span style="color: #000000;">(</span> oRsClientes:<span style="color: #000000;">Eof</span> .and. oRsClientes:<span style="color: #000000;">Bof</span> <span style="color: #000000;">)</span><br /> oRsClientes:<span style="color: #000000;">MoveFirst</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> aArray1 := oRsClientes:<span style="color: #000000;">GetRows</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">ENDIF</span></div>[/code:1e6095xh]
But now, the format of the array is wrong. Is there another way to achieve the result?
Thank you.
|
ADO: load recordset into an Array
|
Una idea
[code=fw:bsn78rcq]<div class="fw" id="{CB}" style="font-family: monospace;"><br />hData := RsToHash<span style="color: #000000;">(</span> oRsClientes<span style="color: #000000;">)</span><br /> </div>[/code:bsn78rcq]
|
ADO: load recordset into an Array
|
Now I have problems with XBROWSE COMMAND:
@ 0, 0 XBROWSE oPanel2:oControl OF oDash ;
COLUMNS 1, 2, 3, 4, 5, 6 ;
HEADERS "Nº Cliente", oSayDNI(), "Apellidos", "Nombre", "Localidad", "Teléfono" ;
ARRAY aArray1 ;
PICTURES "9,999,999"
Does not show the hash.
But the recordset is converted into hash with RsToHash()
Thank you,
|
ADO: load recordset into an Array
|
[quote="MOISES":3tu7itvj]Hi,
In my previous Harbour and FWH version, in order to load contents of Recordset in ADO, I did:
[code=fw:3tu7itvj]<div class="fw" id="{CB}" style="font-family: monospace;"> <span style="color: #00C800;">IF</span> ! <span style="color: #000000;">(</span> oRsClientes:<span style="color: #000000;">Eof</span> .and. oRsClientes:<span style="color: #000000;">Bof</span> <span style="color: #000000;">)</span><br /> oRsClientes:<span style="color: #000000;">MoveFirst</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> aArray1 := oRsClientes:<span style="color: #000000;">GetRows</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> <span style="color: #00C800;">ENDIF</span></div>[/code:3tu7itvj]
But now, the format of the array is wrong. Is there another way to achieve the result?
Thank you.[/quote:3tu7itvj]
This is due to a change in the Harbour libraries. Nothing to do with FWH.
We have now provided a function
[code=fw:3tu7itvj]<div class="fw" id="{CB}" style="font-family: monospace;">aRows := RsGetRows<span style="color: #000000;">(</span> oRs, <span style="color: #000000;">[</span>nRows<span style="color: #000000;">]</span>, <span style="color: #000000;">[</span>nStart<span style="color: #000000;">]</span>, <span style="color: #000000;">[</span>aFields<span style="color: #000000;">]</span> <span style="color: #000000;">)</span></div>[/code:3tu7itvj]
This function is safe to use with Harbour (both new and old versions) and also xHarbour.
You need to change all
[code=fw:3tu7itvj]<div class="fw" id="{CB}" style="font-family: monospace;"><br />aData := oRs:<span style="color: #000000;">GetRows</span><span style="color: #000000;">(</span><span style="color: #000000;">)</span><br /> </div>[/code:3tu7itvj]
as
[code=fw:3tu7itvj]<div class="fw" id="{CB}" style="font-family: monospace;"><br />aData := RsGetRows<span style="color: #000000;">(</span> oRs <span style="color: #000000;">)</span><br /> </div>[/code:3tu7itvj]
EVERYWHERE in your application. There is no escape from this, because of the change in Harbour libraries.
Depending on your requirements, you can also use
[code=fw:3tu7itvj]<div class="fw" id="{CB}" style="font-family: monospace;"><br />hData := RsToHash<span style="color: #000000;">(</span> oRs, ..... <span style="color: #000000;">)</span><br />cJson := RsToJson<span style="color: #000000;">(</span> oRs, .... <span style="color: #000000;">)</span><br /> </div>[/code:3tu7itvj]
|
ADO: load recordset into an Array
|
Thank you. RsGetRows( oRs ) Works perfect.
Two more related questions please:
1.- Is there any other change to ADO stuff that must be aware of?
2.- Also there is the Hash approach: aArray1 := RsToHash( oRs )
Is this fastest?
|
ADO: load recordset into an Array
|
[quote:lgiafn3v]2.- Also there is the Hash approach: aArray1 := RsToHash( oRs )
Is this fastest?
[/quote:lgiafn3v]
RsGetRows() is faster than RsToHash()
|
ADO: manage internet connections failures
|
Hi,
In ADO over Internet, sometimes the connection goes away. I think there is no oCn:Refresh() or oCn:Reconnect() to fix it.
So, how do you handle it?
Closing the connection after the Recordset and open each time before the Recordet?
I appreciate your valuable comments.
Thank you.
|
ADOBASE ERROR
|
Hola AdolofoStatic Function IfTable(cTableName,oConnect)Local aTables := {} aTables := ListTable(oConnect) IF ! ( cTableName IN aTables ) //es esta linea da un error Return .F. else Return .T. ENDIFReturn .T.
|
ADOBASE ERROR
|
Luis..Tu usas HARBOUR...IN se encuentra en xHarbourreemplaza esa linea porIF aScan(aTables, cTableName)= 0Prueba a hacer esto y me indicasEso
|
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