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How to connect VB to ODBC ( SQL Server ) ?

Posted on 1998-05-01
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Last Modified: 2012-05-04
How can I write a VB 5 application that can connect to a SQL Server ?
( I already know the steps for adding SQL Server to ODBC )
Can I just directly use a data control to connect the SQL Server ?

Thanks a lot
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Question by:stanleylcm
2 Comments
 
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jcastr earned 50 total points
ID: 1436632
Better connect directly to ODBC  SQL Server DataSource.
To do this in VB5 just follow this

1. In References check DAO 2.5/3.5
2. Create in a Module

Public DB as Database
Public Rs as Recordset


Function OpenDB () as boolean
On error goto ErrHandler

    OpenDB = false
     Set DB = OpenDatabase("MSSQL", false,false,"ODBC;DSN=MSSQL;DATABASE=MyDB;UID=sa;PWD=;")

    OpenDB = True

Out:
     exit sub

ErrHandler:
      Msgbox Error,vbInformation
      Resume Out

end function


now you can execute directly SQL Commands if your OpenDB was successful, try with

if you're querying data

Set Rs = DB.OpenRecordset (SQL, dbOpenTable,dbSQLPAssthrough)

if you are using SQL DDL/DML

DB.Execute SQL, dbSQLPAssthrough
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Expert Comment

by:BogdanGrama
ID: 2802333
You can put this in a module

Public Function fConnectSQL(ByVal sqldsn As String, ByVal sqluser As String, ByVal sqlpass As String) As Boolean
        fConnectSQL = True
        Err = 0
        'La connessione con la SQL Server
        Set connserv = New ADODB.Connection
        connserv.ConnectionString = "DSN=" & sqldsn & ";UID=" & sqluser & ";PWD=" & sqlpass
        connserv.Open
        If Err <> 0 Then
            fConnectSQL = False
            Set connserv = Nothing
        End If
End Function

Send a note if it works
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