partial void DeleteINVOICE(INVOICE instance);
partial void UpdateINVOICE(INVOICE instance);
private void detach_INVOICEs(INVOICE entity) { this.SendPropertyChanging(); entity.CUSTOMER = null; }
partial void InsertINVOICE(INVOICE instance);
private void attach_INVOICEs(INVOICE entity) { this.SendPropertyChanging(); entity.CUSTOMER = this; }