Tailspin Spyworks

1. Beginner Developer Learning Center
http://msdn.microsoft.com/en-us/beginner/default.aspx

2. Tailspin Spyworks Step-by-Step Tutorial - demonstrates how extraordinarily simple it is to create powerful, scalable applications for the .NET platform. It shows off how to use the great new features in ASP.NET 4 to build an online store, including shopping, checkout, and administration.

This tutorial series details all of the steps taken to build the Tailspin Spyworks sample application.
http://www.asp.net/web-forms/tutorials/tailspin-spyworks-part-1