private void detach_pieces_users(pieces_users entity) { this.SendPropertyChanging(); entity.pieces = null; }
private void attach_pieces_users(pieces_users entity) { this.SendPropertyChanging(); entity.pieces = this; }
partial void Updatepieces_users(pieces_users instance);
partial void Deletepieces_users(pieces_users instance);
partial void Insertpieces_users(pieces_users instance);