How to find the control caused postback

http://ryanfarley.com/blog/archive/2005/03/11/1886.aspx
http://www.aspdotnetfaq.com/Faq/How-to-determine-which-Control-caused-PostBack-on-ASP-NET-page.aspx

How to change the Namespace on generated Entity Framework classes

http://www.thinqlinq.com/default/Changing-the-Namespace-on-generated-Entity-Framework-classes.aspx

ASP.NET Inline Server Tags summary

http://weblogs.asp.net/ahmedmoosa/archive/2010/10/06/embedded-code-and-inline-server-tags.aspx