public ActionResult Questionlist(string btn)
        {
            btn = btn.Substring(0, 1);
            List <QuestionInfo> listquest = new List <QuestionInfo>();

            listquest = SessionExtensionsHelper.Get <List <QuestionInfo> >(HttpContext.Session, "question");
            int num = (int)HttpContext.Session.GetInt32("pagenumber");

            if (btn != listquest[num].answer)
            {
                return(Content("<script>alert('回答错误,请重新审核');window.location.href='/Question/Index';</script>", "text/html", System.Text.Encoding.UTF8));
            }
            else
            {
                ++num;
                HttpContext.Session.SetInt32("pagenumber", num);
                if (num > 9)
                {
                    bool temp = userInfoRepository.GetByNameUpLV(HttpContext.Session.GetString("user"));
                    if (temp)
                    {
                        HttpContext.Session.SetString("LV", "1");
                        return(Content("<script>alert('恭喜完成白名单审核!你的等级提高至1级!');window.location.href='/Home/Index';</script>", "text/html", System.Text.Encoding.UTF8));
                    }
                    else
                    {
                        return(Content("<script>alert('感谢你又来复习一遍!');window.location.href='/Home/Index';</script>", "text/html", System.Text.Encoding.UTF8));
                    }
                }
                return(RedirectToAction("Questionlist"));
            }
        }
 public ActionResult Questionlist()
 {
     if (SessionExtensionsHelper.Get <List <QuestionInfo> >(HttpContext.Session, "question") == null)
     {
         Index();
     }
     return(View());
 }