public ActionResult MobileTopUp(MobiletopUpModel topupModel)
        {
            ViewBag.TotalAmount = topupModel.RechargeAmount;
            ViewBag.PhoneNumber = topupModel.MobileNoSelected;
            ViewBag.TransactionType = TransactionType.TopUp;
            ViewBag.CustomerId = Session["CustomerId"];

            return View("PayTopUpBill");
        }
        public ActionResult MobileTopUp()
        {
            List<MobileConnection> phoneNumbers = MobileManager.GetPrePaidConnections(Convert.ToInt32(HttpContext.Session["CustomerId"]));

            var model = new MobiletopUpModel();

            foreach (var item in phoneNumbers)
            {
                model.Values.Add(new SelectListItem { Text = item.PhoneNumber, Value = item.Provider.ToString() });
            }

            return View(model);
        }