//GET: PossibleAnswers/Create?QuestionID=5
        public ActionResult Create(int?QuestionID)
        {
            if (QuestionID == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }

            Question ques = db.Questions.Find(QuestionID);

            if (ques == null)
            {
                return(HttpNotFound());
            }

            if (ques.Test.Status == "Open")
            {
                TempData["msg"]    = "Nie można utworzyć możliwej odpowiedzi do pytania w teście, który jest otwarty do wypełniania!";
                TempData["option"] = "warning";
                return(RedirectToAction("Details", "Tests", new { id = ques.Test.Id_testu }));
            }

            var question = db.Questions.Single(p => p.Id_question == ques.Id_question);

            var temp = question.PossibleAnswers.Where(p => p.isCorrect == "True")
                       .Count();

            if (question.PossibleAnswers.Count != 0 && temp != 0)
            {
                ViewBag.Options = new List <SelectListItem> {
                    new SelectListItem {
                        Text = "Incorrect", Value = "False"
                    }
                };
            }
            else
            {
                ViewBag.Options = new List <SelectListItem> {
                    new SelectListItem {
                        Text = "Incorrect", Value = "False"
                    },
                    new SelectListItem {
                        Text = "Correct", Value = "True"
                    }
                };
            }

            CreatePossibleAnswerViewModels pos_ans = new CreatePossibleAnswerViewModels();

            pos_ans.TestID     = question.Test.Id_testu;
            pos_ans.QuestionID = ques.Id_question;

            return(PartialView("_Create", pos_ans));
        }
        public ActionResult Create(CreatePossibleAnswerViewModels pos_ans)
        {
            if (ModelState.IsValid)
            {
                Question question        = db.Questions.Single(p => p.Id_question == pos_ans.QuestionID);
                var      possible_answer = new PossibleAnswer();
                possible_answer.Content   = pos_ans.Content;
                possible_answer.isCorrect = pos_ans.isCorrect;
                possible_answer.Question  = question;

                db.PossibleAnswers.Add(possible_answer);
                db.SaveChanges();

                TempData["msg"]    = "Utworzono możliwą odpowiedź do pytania w teście poprawnie!";
                TempData["option"] = "success";
                return(RedirectToAction("Details", "Tests", new { id = pos_ans.TestID }));
            }

            return(PartialView("_Create"));
        }