public async Task<IActionResult> Detail(Guid? Id, MessageNote? message = null)
{
if (Id == null)
{
return NotFound();
}
ViewData["Exist"] =
message == MessageNote.Exist ? "New Session Added; Here is the Detail"
: message == MessageNote.Update ? "Session Updated; Here is the Detail"
: "";
var getSession = await _sessionService.getSessionById(Id);
return View(getSession);
}