>>Not necessarily. The DLL can log onto the server using a different username. In this manner, you can give rights to the DLL, but not the user.
>
>This is what I was wondering about --once the DLL has opened up the data source, can the user on the same machine access the data with, say, Excel?
Not if you run the DLL on the server.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer