Url Routing using Route Handler

Question

Hi.
i want to route url using route handler i tried some code but it doesn't work out.
in Global page:

   RouteTable.Routes.Clear();
        RouteTable.Routes.Add("MyCustomRoute", new Route("{Name}", new CustomRouteHandler("~/Index.aspx")));
and the class which implements handler is

public class CustomRouteHandler : IRouteHandler {
 
    IHttpHandler IRouteHandler.GetHttpHandler(RequestContext requestContext)
    {
        string virtualPath = "~/Index.aspx";
        return BuildManager.CreateInstanceFromVirtualPath(virtualPath, typeof(Page)) as IHttpHandler;
    }
    public bool IsReusable {
        get {
            return false;
        }
    }
}
in index page:

 string a =(string) Page.RouteData.Values["Name"];
i am trying for this since four days. i cant able to understand where i am going wrong...please help me.the same code i tried in another project it is working there. i cant able to do it in my project..

Error: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable.  Please review the following URL and make sure that it is spelled correctly. 

Thanks in advance..