Problem asp.net 3.5 routing address

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ASP.NET

I used to do when the routing server. I have a problem.
No problem if http://myweb.com/news/22.aspx
But
If http://myweb.com/news/22 problem: 404 - File or directory not found.

id do this :

global.asax

void Application_Start(object sender, EventArgs e)
    {
        RegisterRoutes(RouteTable.Routes);
    }

    public static void RegisterRoutes(RouteCollection routes)
    {
         routes.Add("News", new Route("News/{ID}",new CustomRouteHandler("~/News/News.aspx")));
    }

CustomRouteHandler.cs class :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.Routing;
using System.Web.Compilation;

public class CustomRouteHandler : IRouteHandler
{
    public CustomRouteHandler(string virtualPath)
    {
        this.VirtualPath = virtualPath;
    }

    public CustomRouteHandler()
    {
    }

    public string VirtualPath { get; private set; }

    public IHttpHandler GetHttpHandler(RequestContext
          requestContext)
    {
        var page = BuildManager.CreateInstanceFromVirtualPath
             (VirtualPath, typeof(Page)) as IHttpHandler;
        return page;
    }
}

web.config :

<add assembly="System.Web.Routing, Version=3.5.0.0,Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>

<add name="UrlRoutingModule" type="System.Web.Routing.UrlRoutingModule,System.Web.Routing, Version=3.5.0.0,Culture=neutral,PublicKeyToken=31BF3856AD364E35" />

<add name="UrlRoutingHandler" preCondition="integratedMode" verb="*" path="UrlRouting.axd" type="System.Web.HttpForbiddenHandler,System.Web, Version=2.0.0.0, Culture=neutral,PublicKeyToken=b03f5f7f11d50a3a" />

link :

<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="~/news/22" Text="News"></asp:HyperLink>

in local no problem , but server error
Even when .Html or .jsp I use
What is the problem?