public ActionResult AddSubject(SubjectDTO subjectDTO)
{
if (ModelState.IsValid)
{
subjectDTO.Id = Guid.NewGuid();
Logger.Log.Info("User " + User.Identity.GetUserId() + "add subject " + subjectDTO.Id);
subjectService.AddNewSubject(subjectDTO);
}
return(RedirectToAction("ViewSubject"));
}