partial void DeleteOrderTB(OrderTB instance);
partial void UpdateOrderTB(OrderTB instance);
private void detach_OrderTBs(OrderTB entity) { this.SendPropertyChanging(); entity.UserTB = null; }
partial void InsertOrderTB(OrderTB instance);
private void attach_OrderTBs(OrderTB entity) { this.SendPropertyChanging(); entity.UserTB = this; }