public ActionResult Create(TermModel model)
 {
     if (ModelState.IsValid)
     {
         if (model.TERM_ID == 0)
         {
             TermModel.insertTerm(model);
             ModelState.Clear();
             return(Json("Save term successfully.", JsonRequestBehavior.AllowGet));
         }
         else
         {
             TermModel.updateTerm(model);
             ModelState.Clear();
             return(Json("Update term successfully.", JsonRequestBehavior.AllowGet));
         }
     }
     else
     {
         return(Json("Please fill all fields.", JsonRequestBehavior.AllowGet));
     }
 }