ASP.NET 4 Breaking Changes and Stuff to be Aware of (Hanselman)
April 14, 2010
posted by Brad Kingsley
Here is a good post by Scott Hanselman for you to read before you perform your application upgrade to ASP.NET 4.0.
http://www.hanselman.com/blog/ASPNET4BreakingChangesAndStuffToBeAwareOf.aspx
