I know how to catch errors in asp.net - the problem is the driver doesn't throw an exception to catch..  Here's some complete code:

        string connectionString = "DSN=QuickBooks Data";
        OdbcConnection connection1 = new OdbcConnection(connectionString);

        OdbcCommand com1 = new OdbcCommand();
        com1.Connection = connection1;
         
        com1.CommandText = "insert into customer (Name, ParentRefListID, JobStatus, JobDesc, JobTypeRefFullName, BillAddressAddr1, BillAddressAddr2, BillAddressAddr3, BillAddressAddr4, BillAddressCity, BillAddressState, BillAddressPostalCode, BillAddressCountry, SalesRepRefListID) values ('6961','710000-1014653884 ','Awarded','Test Page','Ad Hoc', '', '', '', '', '', '', '', '', '1F0000-1038942040') ";
        com1.ExecuteNonQuery();

Running this produces no error and the page never returns. When running from a windows forms app I get a nice error message that I can work with, but not so in an asp.net page.

QODBC is still generating the error, but you need to catch it. Others have used:

try{

//some code here

}

catch(e){

Response.Write(e.description);
}