public async Task <IActionResult> OnPostJoinListAsync()
{
List <int> Select = AreChecked;
if (Select.Count() == 0)
{
return(RedirectToPage("/Order/Index"));
}
if (await _repo.ChangeStatus(Select) == 0)
{
return(RedirectToPage("./Error"));
}
return(RedirectToPage("/Order/Index"));
}