private void detach_OrderHistories(OrderHistory entity)
		{
			this.SendPropertyChanging();
			entity.Cart = null;
		}
 partial void DeleteOrderHistory(OrderHistory instance);
 partial void InsertOrderHistory(OrderHistory instance);
 partial void UpdateOrderHistory(OrderHistory instance);
		private void attach_OrderHistories(OrderHistory entity)
		{
			this.SendPropertyChanging();
			entity.OrderStatus = this;
		}