The name ‘InitializeControl’ does not exist in the current context

Error : The name ‘InitializeControl’ does not exist in the current context

Cause : Microsoft visual studio bug

Resolution : Install Visual Studio 2010 Service Pack 1 Beta

More details : http://blog.mastykarz.nl/the-name-initializecontrol-does-not-exist-in-the-current-context-visual-web-part-sandboxed-bug-fix/