Also-If you really want to check out the "cutting edge" play around with Orcas (the next version of visual studio MS is working on). The new LINQ stuff coming out is especially cool:
ScottGu's Blog : Using LINQ with ASP.NET (Part 1)
I'm not sure if it's available for public download but if you're interested shoot me a PM and I'll hook you up.
Here's another tutorial series on working with data in .net 2.0 which is great:
ScottGu's Blog : Working with Data in ASP.NET 2.0
(Yes my posts are MS centric but only because that's what I do

).