//保存
        protected void Button_Click(object sender, EventArgs e)
        {
            M_Question    qinfo  = new M_Question();
            M_QuestOption option = new M_QuestOption();

            option.FillByForm(Request);
            if (Qid > 0)
            {
                qinfo = B_Survey.GetQuestion(Qid);
            }
            qinfo.QuestionTitle   = this.TxtQTitle.Text.Trim();
            qinfo.TypeID          = Convert.ToInt32(Request.Form["type_rad"]);
            qinfo.IsNull          = Convert.ToBoolean(Convert.ToInt32(NotNull.SelectedValue));
            qinfo.QuestionContent = Content_T.Text;
            qinfo.Qoption         = JsonConvert.SerializeObject(option);
            if (Qid > 0)
            {
                B_Survey.UpdateQuestion(qinfo);
            }
            else
            {
                qinfo.SurveyID = Sid;
                qinfo.OrderID  = B_Survey.GetMaxOrderID(Sid) + 1;
                int qid = B_Survey.AddQuestion(qinfo);
            }
            function.WriteSuccessMsg("操作成功", "SurveyItemList.aspx?SID=" + Sid);
        }