public void InsertOrUpdate(CHATMESSAGE rate)
 {
     if (rate.MESSAGEID == default(int)) // New entity
     {
         _context.Entry(rate).State = EntityState.Added;
     }
     else        // Existing entity
     {
         _context.Entry(rate).State = EntityState.Modified;
     }
 }
 public void InsertOrUpdateGraph(CHATMESSAGE userGraph)
 {
     if (userGraph.State == DOCVIDEO.ObjectState.State.Added)
     {
         _context.ChatMessages.Add(userGraph);
     }
     else
     {
         _context.ChatMessages.Add(userGraph);
         _context.ApplyStateChanges();
     }
 }