SqlDataReader sdr = cmd.ExecuteReader();
            while (sdr.Read())
            {

                Literal littxt = new Literal();
                Literal litti = new Literal();
                //CheckBoxList che = new CheckBoxList();//复选框多选择
                CheckBoxList cbk = new CheckBoxList();
              
                
                littxt.Text = "<input type='hidden' name='db_" + bie.ToString() + "'  id='db_" + bie + "' value='' answer='" + Server.HtmlEncode(sdr["rightAns"].ToString()) + "'/>" + "<div class='result' id='result_" + bie.ToString() + "' >" + i.ToString() + "、" + Server.HtmlEncode(sdr["testContent"].ToString());
                litti.Text = "</div>";
                littcookie["littxt"] += HttpUtility.UrlEncode(littxt.Text + "|");
                littcookie["acbk"] += HttpUtility.UrlEncode(sdr["testAns1"].ToString()) + "|";
                littcookie["bcbk"] += HttpUtility.UrlEncode(sdr["testAns2"].ToString()) + "|";
                littcookie["ccbk"] += HttpUtility.UrlEncode(sdr["testAns3"].ToString()) + "|";
                littcookie["dcbk"] += HttpUtility.UrlEncode(sdr["testAns4"].ToString()) + "|";
                cbk.Items.Add("A. " + Server.HtmlEncode(sdr["testAns1"].ToString()));
                cbk.Items.Add("B. " + Server.HtmlEncode(sdr["testAns2"].ToString()));
                cbk.Items.Add("C. " + Server.HtmlEncode(sdr["testAns3"].ToString()));
                cbk.Items.Add("D. " + Server.HtmlEncode(sdr["testAns4"].ToString()));
               
                cbk.Font.Size = 11;
                
                for (int j = 1; j <= 4; j++)
                {

                    cbk.Items[j - 1].Attributes.Add("onclick", " db(" + bie.ToString() + ", " + num++ + ")");//给input标签加事件
                   
                }


                num = 1;
                bie++;
                Ans += sdr[6].ToString();
                if (Session["a"] == null)
                {
                    Session["Ans"] = Ans;
                }
                cbk.Attributes.Remove("name");
                Panel1.Controls.Add(littxt);
                Panel1.Controls.Add(cbk);
                Panel1.Controls.Add(litti);
                i++;
                tNUM++;



            }