// [HttpGet] // public IActionResult Upsert(int? id) public IActionResult Upsert(int?id) { CustomerType = new CustomerType(); if (id == null || id == 0) { return(View(CustomerType)); } CustomerType = _CustomerTypeService.FindCustomerType(id); if (CustomerType == null) { return(NotFound()); } return(View(CustomerType)); //return View("Upsert"); }