public void CreateStudentQuestion(int code) // tạo 1 câu hỏi cho học sinh
{
List <quests_of_test> qs = (from x in db.quests_of_test // lấy các ra câu hỏi của bài thi theo mã bài thi
where x.test_code == code
select x).OrderBy(x => Guid.NewGuid()).ToList();
foreach (var item in qs) // với mỗi câu hỏi truyền vào ai làm và đáp án
{
// truyền vào các thông tin
var StudentTest = new student_test_detail();
StudentTest.id_question = item.id_question; // mã câu hỏi
StudentTest.test_code = code; // mã bài thi
StudentTest.id_student = user.ID; // mã học sinh làm
question q = db.questions.SingleOrDefault(x => x.id_question == item.id_question);
// truyền vào các lựa chọn của đáp án
string[] answer = { q.answer_a, q.answer_b, q.answer_c, q.answer_d };
answer = ShuffleArray.Randomize(answer);
StudentTest.answer_a = answer[0];
StudentTest.answer_b = answer[1];
StudentTest.answer_c = answer[2];
StudentTest.answer_d = answer[3];
db.student_test_detail.Add(StudentTest);
db.SaveChanges();
}
}
public IActionResult CreateStudentQuestion(int code1)
{
List <quests_of_test> qs = (from x in db.quests_of_test
where x.test_code == code1
select x).OrderBy(x => Guid.NewGuid()).ToList();
var rd = new Random();
var list = db.students.ToList();
foreach (var item in qs)
{
var StudentTest = new student_test_detail();
StudentTest.id_question = item.id_question;
StudentTest.test_code = code1;
StudentTest.id_student = 1;
question q = db.questions.SingleOrDefault(x => x.id_question == item.id_question);
string[] answer = { q.answer_a, q.answer_b, q.answer_c, q.answer_d };
answer = ShuffleArray.Randomize(answer);
StudentTest.answer_a = answer[0];
StudentTest.answer_b = answer[1];
StudentTest.answer_c = answer[2];
StudentTest.answer_d = answer[3];
db.student_test_detail.Add(StudentTest);
db.SaveChanges();
}
return(RedirectToAction("DoingTest", new { test_code = code1 }));
}
public void CreateStudentQuestion(int code)
{
List <quests_of_test> qs = (from x in db.quests_of_test
where x.test_code == code
select x).OrderBy(x => Guid.NewGuid()).ToList();
foreach (var item in qs)
{
var StudentTest = new student_test_detail();
StudentTest.id_question = item.id_question;
StudentTest.test_code = code;
StudentTest.id_student = user.ID;
question q = db.questions.SingleOrDefault(x => x.id_question == item.id_question);
string[] answer = { q.answer_a, q.answer_b, q.answer_c, q.answer_d };
answer = ShuffleArray.Randomize(answer);
StudentTest.answer_a = answer[0];
StudentTest.answer_b = answer[1];
StudentTest.answer_c = answer[2];
StudentTest.answer_d = answer[3];
db.student_test_detail.Add(StudentTest);
db.SaveChanges();
}
}
