>Bonnie Berent has an excellent blog on this subject.
>http://geek-goddess-bonnie.blogspot.com/2009_10_01_archive.html
>I've used some of its ideas in creating a data access framework that's the basis of several successful C# apps.
>You'll probably want to take it further, but it's a great starting point.

Thanks Bill ... I was just about to post a link to my blog posts. My examples in those posts *were* intended to be a "starting point" ... enough to get the ideas flowing for the reader. ;0)