public ActionResult Reset()
        {
            DeviceStoreDataContext db = new DeviceStoreDataContext();

            db.DeviceTokens.DeleteAllOnSubmit(db.DeviceTokens.ToList());
            db.SubmitChanges();

            db.Dispose();
            return View("Index");
        }
        public ActionResult Index(FormCollection collection)
        {
            string message = collection["message"];

            DeviceStoreDataContext db = new DeviceStoreDataContext();

            foreach (var deviceToken in db.DeviceTokens)
            {
                MobileNotification.Notify(deviceToken, message);
            }

            db.Dispose();
            return View();
        }