c# - The requesterd URl could not be found AJAX -

I have an ASP.NET application, when I run it the page load, but the way it does not load The AJAX method is. And I get this error.

Error 1:

/ ajax / UserControls_WebUserControl, App_Web_webusercontrol.ascx.6bb32623.ssiyzisi.ashx

I reinstall AJAX Check the reference of the AJAXControlToolKit.dll path in the bin, and in the same way ... ... I am using the web.config file:

  & Lt; Action = Add, "Post, Gate" path = "Ajax / * .hashx" type = "Ajax.PageHandlerFactory, Ajax" />   
 But there is no luck.  
 Error 2:  
 
 Description: HTTP 404. The resource you are looking for (or one of its dependencies) may have been deleted, its name was changed , Or is temporarily unavailable, please review the following URL and make sure that this spelling is correct.    
 
 
 What are you trying to use? If so, you need to enable their use in the script manager control which is on the page or master page.