public ActionResult CreateNote(IEnumerable<NoteView> notes)
 {
     try
     {
         if (ModelState.IsValid)
         {
             var note = new Note
             {
                 CtlNo = notes.FirstOrDefault().CtlNo,
                 CtlName = notes.FirstOrDefault().CtlName
             };
             if (TryUpdateModel(note))
             {
                 db.Note.Add(note);
                 db.SaveChanges();
             }
         }
     }
     catch (Exception ex)
     {
     };
     return Json(null);
 }
 public ActionResult UpdateNote(IEnumerable<NoteView> notes)
 {
     try
     {
         if (ModelState.IsValid)
         {
             var note = new Note
             {
                 CtlNo = notes.FirstOrDefault().CtlNo,
                 CtlName = notes.FirstOrDefault().CtlName
             };
             if (TryUpdateModel(note))
             {
                 db.Entry(note).State = EntityState.Modified;
                 db.SaveChanges();
             }
         }
     }
     catch (System.Data.Entity.Validation.DbEntityValidationException ex)
     {
     };
     return Json(null);
 }