public async Task <IActionResult> Edit(int id, [Bind("ID,test_code,id_question")] quests_of_test quests_of_test)
{
if (id != quests_of_test.ID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(quests_of_test);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!quests_of_testExists(quests_of_test.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["id_question"] = new SelectList(_context.questions, "id_question", "id_question", quests_of_test.id_question);
ViewData["test_code"] = new SelectList(_context.tests, "test_code", "test_code", quests_of_test.test_code);
return(View(quests_of_test));
}
public IActionResult CreateQuestionOfTest(int code)
{
var abc = db.student_test_detail.ToList();
foreach (var item in abc)
{
db.Remove(item);
db.SaveChanges();
}
var abcd = db.quests_of_test.ToList();
foreach (var item in abcd)
{
db.Remove(item);
db.SaveChanges();
}
var abcde = db.scores.ToList();
foreach (var item in abcde)
{
db.Remove(item);
db.SaveChanges();
}
var rd = new Random();
List <question> list = (from x in db.questions
where x.subject.id_subject == x.id_subject
select x
).OrderBy(x => Guid.NewGuid()).ToList();
var count = (from x in db.tests
where x.test_code == code
select x).ToList();// lay so luong de == ten de
var sl = count.First().total_questions;
var b = 1;
for (int i = 0; i < sl; i++)
{
var chDe = new quests_of_test();
var a = rd.Next(1, list.Count);
list.RemoveAt(a);
chDe.test_code = code;
chDe.id_question = b;
db.quests_of_test.Add(chDe);
db.SaveChanges();
b++;
}
return(RedirectToAction("CreateStudentQuestion", new { code1 = code }));
}
public async Task <IActionResult> Create([Bind("ID,test_code,id_question")] quests_of_test quests_of_test)
{
if (ModelState.IsValid)
{
_context.Add(quests_of_test);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["id_question"] = new SelectList(_context.questions, "id_question", "id_question", quests_of_test.id_question);
ViewData["test_code"] = new SelectList(_context.tests, "test_code", "test_code", quests_of_test.test_code);
return(View(quests_of_test));
}
