public static bool AddNew(HDS_Question Que)
 {
     try
     {
         ExamSystemManagerDBEntities exMana = new ExamSystemManagerDBEntities();
         exMana.AddToHDS_Question(Que);
         exMana.SaveChanges();
     }
     catch (Exception e)
     {
         errMsg = e.Message;
         return false;
     }
     errMsg = "";
     return true;
 }