http://blogs.msdn.com/b/msdnmagazine/archive/2008/12/19/9236837.aspxIn a layered Web app, the presentation layer is just as important as navigation logic, business logic, and data access. In the December 2008 issue of MSDN Magazine , Dino Esposito examines some design patterns for building an ASP.NET presentation layeren-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)