Includes free sample code and several demos. Some articles and links from Microsoft. Good site with code snippets and tutorials. Good site with lots of basic answers and tutorials. Good site with oft-updated content, including code samples.
Some material requires registration, and some requires paid subscription.
Many resources, and a great series of FAQs. Lots of information. Project Plan Story Board. I learned about web design from the Boston. At ASPCode.net you will easily find free sourcecode and applications.