public IActionResult CreateCauHoi(CauHoiDTO cauHoi)
 {
     if (ModelState.IsValid)
     {
         cauHoi.Id           = 0;
         cauHoi.IdbaiKiemTra = baiHocService.GetIDBaiKiemTra();
         baiHocService.CreateCauHoi(cauHoi);
         return(RedirectToAction("CreateCauHoi"));
     }
     return(View(cauHoi));
 }
 public void CreateCauHoi(CauHoiDTO cauHoi)
 {
     baiHocRepository.AddCauHoi(iMapper.Map <CauHoiDTO, CauHoi>(cauHoi));
 }