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