Subject RE: [firebird-support] problem connecting to firebird database through MS C#
Author Chad Z. Hower
:: You will need either an OleDB-Provider for Firebird
:: (Interbase) oder an
:: ODBC-Driver:

But he question is - if you are on C# why the heck would you use ODBC????
Use the .NET provider, it's a lot better than using ODBC.