Your official information source from the .NET Web Development and Tools group at Microsoft.
Using Page Inspector In Visual Studio 11 Beta, you can see what elements in the source files (including server-side code) have produced the HTML markup that is rendered to the browser. Page Inspector also let you modify CSS properties and DOM element attributes and see the changes reflected immediately in the browser. We have two tutorials live in www.asp.net . Use it and let us know what you think. We hope you like it.
http://www.asp.net/web-forms/tutorials/aspnet-45/using-page-inspector-in-a-visual-studio-11-beta-web-forms-project
http://www.asp.net/mvc/tutorials/mvc-4/using-page-inspector-in-an-mvc-application-in-visual-studio-11-beta
Xinyang Qiu
Web Platform and Tools