public ActionResult Create(MaskEditVM vm)
        {
            try
            {
                var id = vms.OrderByDescending(i => i.Id).Select(i => i.Id).FirstOrDefault();
                vm.Id = ++id;
                vms.Add(vm);

                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }


        }
        public ActionResult Edit(int id, MaskEditVM vm)
        {
            try
            {
                var locSource = vms.Where(i => i.Id == vm.Id).SingleOrDefault();
                locSource.CreditCard = vm.CreditCard;
                locSource.Phonenum = vm.Phonenum;
                locSource.Total = vm.Total;
                locSource.Zip = vm.Zip;
                locSource.Date = vm.Date;
                locSource.Time = vm.Time;

                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }

        }