partial void DeleteQuestionChoice(QuestionChoice instance);
partial void UpdateQuestionChoice(QuestionChoice instance);
private void detach_QuestionChoices(QuestionChoice entity) { this.SendPropertyChanging(); entity.Choice = null; }
partial void InsertQuestionChoice(QuestionChoice instance);
private void attach_QuestionChoices(QuestionChoice entity) { this.SendPropertyChanging(); entity.Question = this; }