public IActionResult ExamDelete(int id)
{
if (id != 0)
{
Exam deletedExam = _examService.GetById(id);
_examService.Delete(deletedExam);
List <Question> questions = new List <Question>();
questions = _questionService.GetAll().Where(x => x.ExamId == id).ToList();
foreach (var q in questions)
{
_questionService.Delete(q);
List <Option> options = new List <Option>();
options = _optionsService.GetAll().Where(x => x.QuestionId == q.QuestionId).ToList();
foreach (var o in options)
{
_optionsService.Delete(o);
}
}
}
return(RedirectToAction("ExamList"));
}