partial void DeleteTicket(Ticket instance);
 partial void UpdateTicket(Ticket instance);
		private void detach_Tickets(Ticket entity)
		{
			this.SendPropertyChanging();
			entity.Order = null;
		}
 partial void InsertTicket(Ticket instance);
		private void attach_Tickets(Ticket entity)
		{
			this.SendPropertyChanging();
			entity.Order = this;
		}