MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Routing;

using System.Web.UI;

using System.Web.UI.WebControls;

using Microsoft.AspNet.FriendlyUrls.Resolvers;

namespace UploadFonts

{

    public partial class ViewSwitcher : System.Web.UI.UserControl

    {

        protected string CurrentView { get; private set; }

        protected string AlternateView { get; private set; }

        protected string SwitchUrl { get; private set; }

        protected void Page_Load(object sender, EventArgs e)

        {

            // Determine current view

            var isMobile = WebFormsFriendlyUrlResolver.IsMobileView(new HttpContextWrapper(Context));

            CurrentView = isMobile ? "Mobile" : "Desktop";

            // Determine alternate view

            AlternateView = isMobile ? "Desktop" : "Mobile";

            // Create switch URL from the route, e.g. ~/__FriendlyUrls_SwitchView/Mobile?ReturnUrl=/Page

            var switchViewRouteName = "AspNet.FriendlyUrls.SwitchView";

            var switchViewRoute = RouteTable.Routes[switchViewRouteName];

            if (switchViewRoute == null)

            {

                // Friendly URLs is not enabled or the name of the switch view route is out of sync

                this.Visible = false;

                return;

            }

            var url = GetRouteUrl(switchViewRouteName, new { view = AlternateView, __FriendlyUrls_SwitchViews = true });

            url += "?ReturnUrl=" + HttpUtility.UrlEncode(Request.RawUrl);

            SwitchUrl = url;

        }

    }

}