Connect to Fm via odbc with primary key requesting software

[smower]

Hi,

I am trying to connect to FileMaker via odbc from visual studio. It connects just fine, but it greys out some important functions because it can't find a primary key in my FileMaker tables.

I have fields with unique data that can act as a primary key but I don't know how to convince the visual studio wizard which field is a primary key.

Does anyone know how to accomplish this?

Thanks in advance,

Shawn