Visual Studio 2005 Article(MS)

Data Access in ASP.NET 2.0
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnvs05/html/dataaccess.asp

Creating Custom Web Controls with ASP.NET 2.0

http://msdn.microsoft.com/library/en-us/dnvs05/html/custwebcon.asp

Handling Client Files in ASP.NET Whidbey

http://msdn.microsoft.com/library/en-us/dnvs05/html/webresource.asp

New Security Features in ASP.NET 2.0

http://msdn.microsoft.com/library/en-us/dnvs05/html/SecFeatNT2.asp

New Personalization Features in ASP.NET Whidbey

http://msdn.microsoft.com/library/en-us/dnvs05/html/personalizationwhidbey.asp

New Membership Features in ASP.NET Whidbey

http://msdn.microsoft.com/library/en-us/dnvs05/html/aspnet-membership.asp

New Code Compilation Features in ASP.NET Whidbey

http://msdn.microsoft.com/library/en-us/dnvs05/html/codecompilation.asp

Introducing the ASP.NET 2.0 GridView and DetailsView Controls

http://msdn.microsoft.com/library/en-us/dnvs05/html/GrdDetView.asp