partial void Deleteline_information(line_information instance);
partial void Updateline_information(line_information instance);
partial void Insertline_information(line_information instance);
private void detach_line_informations(line_information entity) { this.SendPropertyChanging(); entity.station = null; }
private void attach_line_informations(line_information entity) { this.SendPropertyChanging(); entity.line = this; }