ODBC DSN
System DSN
DSN=myDsn;Uid=myUsername;Pwd=;
File DSN
FILEDSN=c:\myDsnFile.dsn;Uid=myUsername;Pwd=;
DSN connection strings
.NET Framework Data Provider for ODBC
Use an ODBC driver from .NET
Driver={any odbc driver's name};OdbcKey1=someValue;OdbcKey2=someValue;