public IActionResult CreateCustomer(CustomerViewModel customer)
        {
            ModelState.Remove("CustomerSelected");
            if (ModelState.IsValid)
            {
                var NewCustomer = customerViewModel.CreateCustomer(customer.Name);

                if (NewCustomer != null)
                {
                    TempData["CustomerLoggedIn"] = customer.Name;
                    TempData.Keep("CustomerLoggedIn");
                    return(Redirect("/Customer"));
                }
            }
            return(View(customer));
        }