public IActionResult AddUser(string FirstName, string LastName, string PasswordHash, string Email, UserRole Role)
{
var uzer = new User(FirstName, LastName, PasswordHash, Email, Role);
var User_list = new List <User>();
User_list.Add(_Userservice.Create(uzer));
var viewModel = new ShowAllUserViewModel()
{
Users = User_list
};
return(View(viewModel));
}