public async override Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
int id = (int)context.ActionArguments.Values.FirstOrDefault();
var ogrenci = await _sinifService.GetByIdAsync(id);
if (ogrenci != null)
{
await next();
}
else
{
ErrorDto errorDto = new ErrorDto();
errorDto.Errors.Add($"Id'si {id} olan sinif veritabanında bulunamadı.");
context.Result = new RedirectToActionResult("Error", "Home", errorDto);
}
}
public async Task <IActionResult> Update(int id)
{
var sinif = await _sinifService.GetByIdAsync(id);
return(View(_mapper.Map <SinifDto>(sinif)));
}