After applying URL Routing, Ajax controls stopped working..
Please help me
 
void Application_Start(object sender, EventArgs e) 
    {
            RegisterRoute(RouteTable.Routes);
    }
    public void RegisterRoute(RouteCollection rc)
    {
        rc.MapPageRoute("Home", "Home", "~/Default.aspx");
        rc.MapPageRoute("pages", "Pages/{PageTitle}", "~/Page.aspx");
    }       
<system.webServer>
<modules runAllManagedModulesForAllRequests="true">
</module>
</system.webServer>