Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
 partial void DeleteExamQuestion(ExamQuestion instance);
 partial void UpdateExamQuestion(ExamQuestion instance);
		private void detach_ExamQuestions(ExamQuestion entity)
		{
			this.SendPropertyChanging();
			entity.Exam = null;
		}
 partial void InsertExamQuestion(ExamQuestion instance);
		private void attach_ExamQuestions(ExamQuestion entity)
		{
			this.SendPropertyChanging();
			entity.Exam = this;
		}