public async Task <IActionResult> OnPost([FromQuery] int year, [FromQuery] int month, [FromQuery] int day, [FromQuery] string slotId, [FromQuery] string id)
{
if (!ModelState.IsValid)
{
ErrorMessage = "入力に誤りがあります。";
return(await PageResult(year, month, day, slotId, id));
}
var result = await _service.DeleteAppointmentAsync(id);
if (!result.Succeeded)
{
ErrorMessage = result.ErrorMessage;
return(await PageResult(year, month, day, slotId, id));
}
return(RedirectToPage("SlotDetails", new { year, month, day, id = slotId }));
}