partial void DeleteOrder_Details(Order_Details instance);
partial void UpdateOrder_Details(Order_Details instance);
private void detach_Order_Details(Order_Details entity)
{
this.SendPropertyChanging();
entity.Products = null;
}
partial void InsertOrder_Details(Order_Details instance);
private void attach_Order_Details(Order_Details entity)
{
this.SendPropertyChanging();
entity.Orders = this;
}