Server Error in '/' Application.

Parser Error

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: 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.

Source Error:


Line 143:<body>
Line 144:    <form id="form1" runat="server">
Line 145:    <Ajax:ToolkitScriptManager ID="aa" runat="server">
Line 146:    </Ajax:ToolkitScriptManager>
Line 147:    <div class="container">

Source File: /Main.master    Line: 145


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0