partial void DeleteSANPHAM(SANPHAM instance);
partial void UpdateSANPHAM(SANPHAM instance);
partial void InsertSANPHAM(SANPHAM instance);
private void detach_SANPHAMs(SANPHAM entity) { this.SendPropertyChanging(); entity.DANHMUC = null; }
private void attach_SANPHAMs(SANPHAM entity) { this.SendPropertyChanging(); entity.DANHMUC = this; }