Error Message


Error 1 Method 'get_EnableCdn' in type 'System.Web.UI.ScriptManager' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.

Solution :

Check the version of the  'System.Web.Extensions.dll ,  in the reference , web config file and the place where use the script manager , if you are using ver 3.5 you should refer the  same  in pages also