Please check here for educational, tutorial, informational resources related to .Net, design/development, and agile techniques.

Resource	Notes
Refactoring Challenge	This is a great place to learn how to refactor!  A complete application with some code 'smells' is posted with suggestions on what should be refactored.  You can submit your solution and win a prize.
GridView Code	This is a good resource for working with the new 2.0 GridView control. Lots of examples and tip/tricks.
DinnerNow Demo Application	DinnerNow is a fictitious marketplace where customers can order food from local restaurants for delivery to their home or office. This sample is designed to demonstrate how you can develop a connected application using several new Microsoft technologies. The demo utilizes several technologies including: IIS7, ASP.NET Ajax Extensions, Linq, Windows Communication Foundation, Windows Workflow Foundation, Windows Presentation Foundation, Windows Powershell, and the .NET Compact Framework.