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

            PossibleAnswer pos_ans = db.PossibleAnswers.Find(id);

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

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

            EditPossibleAnswerViewModels answer = new EditPossibleAnswerViewModels();

            answer.PosAnsID  = pos_ans.Id_posans;
            answer.Content   = pos_ans.Content;
            answer.isCorrect = pos_ans.isCorrect;
            answer.TestID    = pos_ans.Question.Test.Id_testu;

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

            if (pos_ans.isCorrect == "False" && 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", Selected = true
                    }
                };
            }

            return(PartialView("_Edit", answer));
        }
        public ActionResult Edit(EditPossibleAnswerViewModels answer)
        {
            if (ModelState.IsValid)
            {
                PossibleAnswer pos_ans = db.PossibleAnswers.Find(answer.PosAnsID);
                pos_ans.Content   = answer.Content;
                pos_ans.isCorrect = answer.isCorrect;

                db.Entry(pos_ans).State = EntityState.Modified;
                db.SaveChanges();

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