public IActionResult EndAddEmployee(UsersViewModel UsersViewModel) { if (!ModelState.IsValid) { return(View("AddEmployee", UsersViewModel)); } User employee = new User() { FirstName = UsersViewModel.FirstName, LastName = UsersViewModel.LastName, Email = UsersViewModel.Email, Age = UsersViewModel.Age, }; UsersDataService.Add(employee); return(RedirectToAction("Index")); }