public QuestionDataAccess(AnswerDataAccess answerDataAccess) : base()
 {
     this.answerDataAccess = answerDataAccess;
     this.quizDataAccess   = new QuizDataAccess(null);
 }
 public QuizResultDataAccess() : base()
 {
     this.quizDataAccess = new QuizDataAccess(null);
     this.userDataAccess = new UserDataAccess();
 }