C# .NET - Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'Syst

Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly ASP.NET 10-Aug-13 06:28 PM Server Error in ' / ' Application. Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0

error in System.Web.UI.ScriptReferenceBase C# .NET 10-Aug-13 06:24 PM System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0

please refer to the error ASP.NET 10-Aug-13 06:29 PM error is : - could not load type System.Web.UI.ScriptReferenceBase from System.Web.Extensions. Error is coming while i am including AJAX in

Ajax error VB.NET 10-Aug-13 06:26 PM I am calendar control which is in this forum. now i got error ' Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35

Receiving error while using AJAX Toolkit ASP.NET 10-Aug-13 06 was ModalPopupExtender. When I run the project I received this error. System.TypeLoadException: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35

cc1" runat = "server" TargetControlID = "TextBox3"> < / asp : CalendarExtender > i find an error Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35'. Change

Script Reference Error 10-Aug-13 06:38 PM Hi, I'm getting an script reference Base error in my application like Server Error in ' / ' Application. Could not load type 'System Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken