http://blogs.msdn.com/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 layer,enCommunityServer 2.1 SP1 (Build: 61025.2)