public ActionResult Delete(int id)
{
Exam exam = context.Exams.Find(id);
List <ExamQuestion> examQuestions = context.ExamQuestions.Where(x => x.ExamID == id).ToList();
List <ExamOfStudent> examOfStudent = context.ExamOfStudents.Where(x => x.ExamID == exam.Id).ToList();
List <QuestionOfStudent> qOfStudentList = new List <QuestionOfStudent>();
QuestionOfStudent qOfStudent = new QuestionOfStudent();
foreach (ExamOfStudent item in examOfStudent)
{
qOfStudentList = context.QuestionOfStudents.Where(x => x.ExamOfStudentID == item.Id).ToList();
if (context.QuestionOfStudents.Where(x => x.ExamOfStudentID == item.Id).ToList().Count > 0)
{
TempData["IsDelete"] = true;
return(RedirectToAction("Examlist"));
}
context.Entry(item).State = System.Data.Entity.EntityState.Deleted;
//exam.ExamOfStudents.Remove(item);
}
foreach (Subject item in exam.Subjects.ToList())
{
exam.Subjects.Remove(item);
}
foreach (ExamQuestion item in examQuestions)
{
context.ExamQuestions.Remove(item);
}
context.SaveChanges();
context.Exams.Remove(exam);
context.SaveChanges();
return(RedirectToAction("Examlist"));
}
public ActionResult SaveExam()
{
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetExpires(DateTime.UtcNow.AddHours(-1));
Response.Cache.SetNoStore();
Question question;
QuestionOfStudent quesOfStudent;
double rightCount = 0;
ExamOfStudent examOfStudent = new ExamOfStudent();
examOfStudent = eIslem.GetAll().Where(x => x.StudentID == Convert.ToInt32(Session["UserId"]) && x.IsActive == true && x.ExamID == examID).FirstOrDefault();
double examResult = 0;
try
{
int Id = (int)Session["UserID"];
foreach (KeyValuePair <string, string> item in answers)
{
string[] parses = item.Key.Split('.');
int userID = Convert.ToInt32(parses[0]);
int key = Convert.ToInt32(parses[1]);
string value = item.Value;
if (userID == Id)
{
quesOfStudent = new QuestionOfStudent();
quesOfStudent.QuestionID = key;
quesOfStudent.AnswerOfStudent = value;
quesOfStudent.ExamOfStudentID = examOfStudent.Id;
question = new Question();
question = qrepo.GetById(key);
if (question.RightAnswer == value)
{
rightCount++;
quesOfStudent.IsTrue = true;
}
else
{
quesOfStudent.IsTrue = false;
}
quesRepo.Add(quesOfStudent);
}
//quesOfStudent = new QuestionOfStudent();
//quesOfStudent.QuestionID = item.Key;
//quesOfStudent.AnswerOfStudent = item.Value;
//quesOfStudent.ExamOfStudentID = examOfStudent.Id;
//question = new Question();
//question = qrepo.GetById(item.Key);
//if (question.RightAnswer == item.Value)
//{
// rightCount++;
// quesOfStudent.IsTrue = true;
//}
//else
//{
// quesOfStudent.IsTrue = false;
//}
//quesRepo.Add(quesOfStudent);
}
examResult = Math.Ceiling((100 / (double)examQuestions.Count) * rightCount);
examOfStudent.Score = (byte)examResult;
examOfStudent.IsActive = false;
examScore = examResult;
eIslem.Edit(examOfStudent);
Session.Add("Score", examResult);
}
catch (Exception e)
{
return(RedirectToAction("NoExamError", "Error", e.Message));
}
return(RedirectToAction("Result"));
}
