Connect to MSSQL Server without setting up ODBC Data Source

  • I'm working on a database project that will ultimately interface with an MS SQL Server 2008 R2 server over a large network. For development, I have MS SQL 2008 R2 Express running on a server in my lab with the IP Address

    If I create an ODBC Data Entry in control panel, I can connect to the remote database without problem. Example:
    db->setDatabaseName( "Server=JOSHUA\SQLEXPRESS;Database=myDataBase;Trusted_Connection=True;" );
    db->setUserName( "tbj" );
    db->setPassword( "..." );
    db->setHostName( "" );
    However, if I try to just connect directly to the database using an IP Address:
    "Data Source=,1433;Network Library=DBMSSOCN;"

    db->setDatabaseName( "sqlexpress" );
    db->setUserName( "tbj" );
    db->setPassword( "..." );
    db->setHostName( "" );

    Then, I get the error message:
    [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified QODBC3: Unable to connect.

    It would seen that, no matter what I do, the QODBC driver attempts to connect via a registered data source. Is there any way to avoid this? I was hoping to connect to the database directly, as I would a PostgreSQL database.

    Any advice is greatly appreciated.


  • After much research and reading, the answer to this question appears to be an emphatic no. This is disappointing, considering how easily the Microsoft native client makes connecting to a remote data source. The functionality is there; Qt simply isn't bothering to add this feature.

    The solution I'm going to use for my software is to put a button in the settings dialog that opens the ODBC data connection dialog. On a 64-bit system, one would open:


  • I know its an older post, but the reply is just wrong, if someone else wants to connect, here is the connection string to use:

    @db->setDatabaseName("Driver={SQL Server Native Client 11.0};Server=<ip/host>;Database=<database>;Uid=<userid>;Pwd=<password>;")@

    More info on dsn less connections can be found here:
    "Connection Strings":

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