public ActionResult AlarmEditPartial(Alarm al)
 {
     db.Entry(al).State = EntityState.Modified;
     db.SaveChanges();
     return RedirectToAction("AlarmSH");
 }
 public ActionResult AlarmCreate(Alarm al)
 {
     db.Alarms.Add(al);
     db.SaveChanges();
     return RedirectToAction("AlarmSH");
 }