public async Task <IActionResult> Edit(int?id)
{
IActionResult actionResult = null;
var user = id.HasValue
? await this.DatabaseContext.Attendee.FirstOrDefaultAsync(m => m.UserID == id)
: null;
if (user == null)
{
actionResult = this.NotFound();
}
else
{
var viewModel = new EditAttendeeViewModel
{
ExternalID = user.ExternalID,
UserID = user.UserID
};
actionResult = this.View(viewModel);
}
return(actionResult);
}
public async Task <IActionResult> Edit(
int id,
EditAttendeeViewModel attendeeViewModel)
{
if (id != attendeeViewModel.UserID)
{
return(this.NotFound());
}
if (this.ModelState.IsValid)
{
try
{
var attendee = this.DatabaseContext.Attendee
.FirstOrDefault(i => i.UserID == attendeeViewModel.UserID);
if (attendee != null)
{
attendee.ExternalID = attendeeViewModel.ExternalID;
attendee.ModifiedDate = DateTime.UtcNow;
}
this.DatabaseContext.Update(attendee);
await this.DatabaseContext.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!this.AttendeeExists(attendeeViewModel.UserID))
{
return(this.NotFound());
}
else
{
throw;
}
}
return(this.RedirectToAction(nameof(this.Index)));
}
return(this.View(attendeeViewModel));
}
