/// <summary>
        /// 4.0 从试卷删除
        /// </summary>
        public ActionResult DelFromPaper()
        {
            int paperId    = int.Parse(Request.Params["paperId"]);
            int pageIndex  = int.Parse(Request.Params["pageIndex"]);
            int questionId = int.Parse(Request.Params["questionId"]);

            //根据关键字查找到对应的model
            MODEL.T_PaperQuestion model = OperateContext.Current.BLLSession
                                          .IPaperQuestionBLL.GetListBy(p => p.PaperID == paperId && p.QuestionID == questionId)
                                          .FirstOrDefault();
            //移除对应的model
            OperateContext.Current.BLLSession.IPaperQuestionBLL.Del(model);
            return(Redirect("/JoinUs/OrganizePaper/Index?paperId="
                            + paperId + "&pageIndex=" + pageIndex));
        }
 /// <summary>
 /// 3.0 添加到试卷
 /// </summary>
 public ActionResult AddToPaper()
 {
     int paperId = int.Parse(Request.Params["paperId"]);
     int pageIndex = int.Parse(Request.Params["pageIndex"]);
     int questionId = int.Parse(Request.Params["questionId"]);
     //判断是否已经添加,没有添加则添加
     if (OperateContext.Current.BLLSession
         .IPaperQuestionBLL.GetListBy(p => p.PaperID == paperId && p.QuestionID == questionId)
         .FirstOrDefault() == null)
     {
         MODEL.T_PaperQuestion model = new MODEL.T_PaperQuestion()
         {
             PaperID = paperId,
             QuestionID = questionId
         };
         OperateContext.Current.BLLSession.IPaperQuestionBLL.Add(model);
     }
     return Redirect("/JoinUs/OrganizePaper/Index?paperId="
         + paperId + "&pageIndex=" + pageIndex);
 }
        /// <summary>
        /// 3.0 添加到试卷
        /// </summary>
        public ActionResult AddToPaper()
        {
            int paperId    = int.Parse(Request.Params["paperId"]);
            int pageIndex  = int.Parse(Request.Params["pageIndex"]);
            int questionId = int.Parse(Request.Params["questionId"]);

            //判断是否已经添加,没有添加则添加
            if (OperateContext.Current.BLLSession
                .IPaperQuestionBLL.GetListBy(p => p.PaperID == paperId && p.QuestionID == questionId)
                .FirstOrDefault() == null)
            {
                MODEL.T_PaperQuestion model = new MODEL.T_PaperQuestion()
                {
                    PaperID    = paperId,
                    QuestionID = questionId
                };
                OperateContext.Current.BLLSession.IPaperQuestionBLL.Add(model);
            }
            return(Redirect("/JoinUs/OrganizePaper/Index?paperId="
                            + paperId + "&pageIndex=" + pageIndex));
        }