public ActionResult DeleteGradeParallel(int id)
 {
     using (LMSContext db = new LMSContext())
     {
         GradeParallel grd = db.GradeParallels.Where(x => x.ID == id).FirstOrDefault <GradeParallel>();
         db.GradeParallels.Remove(grd);
         db.SaveChanges();
         return(Json(new { success = true, message = "Записът е изтрит." }, JsonRequestBehavior.AllowGet));
     }
 }
 public ActionResult AddOrEditGradeParallel(GradeParallel grd)
 {
     using (LMSContext db = new LMSContext())
     {
         if (grd.ID == 0)
         {
             db.GradeParallels.Add(grd);
             db.SaveChanges();
             return(Json(new { success = true, message = "Записът е успешен." }, JsonRequestBehavior.AllowGet));
         }
         else
         {
             db.Entry(grd).State = EntityState.Modified;
             db.SaveChanges();
             return(Json(new { success = true, message = "Редакцията е успешна." }, JsonRequestBehavior.AllowGet));
         }
     }
 }