public static void Delete(int identifier)
 {
     using (TradeProAssistantContext context = new TradeProAssistantContext())
     {
         try
         {
             TradeTicket tradeticket = context.TradeTickets.Find(identifier);
             context.Entry(tradeticket).State = EntityState.Deleted;
             context.SaveChanges();
         }
         catch { }
     }
 }
        public static int Save(TradeTicket tradeticket)
        {
            using (TradeProAssistantContext context = new TradeProAssistantContext())
            {
                context.Entry(tradeticket).State = tradeticket.IsNew ?
                                                   EntityState.Added :
                                                   EntityState.Modified;

                context.SaveChanges();

                return(tradeticket.Identifier);
            }
        }
 public static void Delete(TradeTicket tradeticket)
 {
     Delete(tradeticket.Identifier);
 }