telerik:GridTemplateColumn problem after migrating from Visual Studio 2012 to 2013

After migrating my project from Visual Studio 2012 to 2013, i realized that telerik grids with GridTemplateColumn columns did not render successfully. The solution is adding the following to Web.xml:

http://weblogs.asp.net/imranbaloch/archive/2013/10/23/messy-html-and-js-errors-when-you-install-visual-studio-2013.aspx
http://blogs.msdn.com/b/webdev/archive/2013/06/28/browser-link-feature-in-visual-studio-preview-2013.aspx

to start with Visual Studio 2013

i strongly recommend to watch http://www.youtube.com/watch?v=wa9Tvr9yiQs prior to development with Visual Studio 2013.

windows authentication in IISExpress

When i migrated from Visual Studio 2012 to 2013, HttpContext.Current.User.Identity.Name started to return an empty string . To overcome this, i had to turn on Windows authentication and turn off anonymous authentication in applicationhost.config file and restart Visual Studio 2013. (http://stackoverflow.com/questions/4762538/iis-express-windows-authentication)
By the way, the project properties are as follows: