private void detach_Link_ConcreteProduct_Orders(Link_ConcreteProduct_Order entity)
{
this.SendPropertyChanging();
entity.Order = null;
}
partial void InsertLink_ConcreteProduct_Order(Link_ConcreteProduct_Order instance);
partial void DeleteLink_ConcreteProduct_Order(Link_ConcreteProduct_Order instance);
private void attach_Link_ConcreteProduct_Orders(Link_ConcreteProduct_Order entity)
{
this.SendPropertyChanging();
entity.Product = this;
}