public int correctQuestion(IExams StudentAnswer)
{
char questionAnswer = getAnswerByquestionId(StudentAnswer.Exmas_Question.QuestionID);
int result = 0;
if (questionAnswer == StudentAnswer.Exmas_Question.selectedAnswer)
result = 1;
return result;
}
public void AddQuiz(IExams Quiz)
{
Quizs.Add(Quiz);
}