public ActionResult PostRawBuffer(FormCollection collection)
        {
            var quizInfo = new QuizInfo
            {
                QuizMakerVersion = collection["v"],
                Points = double.Parse(collection["sp"]),
                PassingPercent = double.Parse(collection["psp"]),
                GainedScore = double.Parse(collection["tp"]),
                UserName = collection["sn"],
                Email = collection["se"],
                QuizTitle = collection["qt"]
            };
            _db.QuizInfos.Add(quizInfo);
            _db.SaveChanges();
            var ser = new XmlSerializer(typeof(quizReport));
            var wrapper = (quizReport)ser.Deserialize(new StringReader(collection["dr"]));
            foreach (var item in wrapper.questions.Items)
            {
                System.IO.File.AppendAllText(@"C:\abc\WriteLines.txt", item.id);
                System.IO.File.AppendAllText(@"C:\abc\WriteLines.txt", item.direction);
                if (!(item is TrueFalseQuestion)) continue;

            }
            //System.IO.File.WriteAllText(@"C:\abc\WriteLines.txt", collection["dr"]);
            return new HttpStatusCodeResult(HttpStatusCode.OK);
        }