partial void DeleteUSER_MARK(USER_MARK instance);
partial void UpdateUSER_MARK(USER_MARK instance);
private void detach_USER_MARKs(USER_MARK entity) { this.SendPropertyChanging(); entity.USER = null; }
partial void InsertUSER_MARK(USER_MARK instance);
private void attach_USER_MARKs(USER_MARK entity) { this.SendPropertyChanging(); entity.USER = this; }