private void detach_sample_pic(sample_pic entity) { this.SendPropertyChanging(); entity.sample_info = null; }
private void attach_sample_pic(sample_pic entity) { this.SendPropertyChanging(); entity.sample_info = this; }
partial void Updatesample_pic(sample_pic instance);
partial void Deletesample_pic(sample_pic instance);
partial void Insertsample_pic(sample_pic instance);