HttpCookie littcookie = new HttpCookie("littxt");
        //littcookie.Expires = DateTime.Now.AddDays(1);//我这里设置的是过期时间为一天，你可以自己改

        try
        {
            lblEndtime.Text = "本次题目共10道，每小题1分!";

            lblStuNum.Text = Session["danwei"].ToString();//所在单位
        lblStuName.Text = Session["name"].ToString();
        lblStuSex.Text = Session["sex"].ToString();
        lblStuKM.Text = "[" + Session["KM"].ToString() + "]" + "考试试题";
        int i = 1;
        int num = 1;
        int bie = 0;
      
            SqlConnection conn = BaseClass.DBCon();
            conn.Open();
            SqlCommand cmd = new SqlCommand("select top 10 * from tb_test where testCourse='" + Session["KM"].ToString() + "' order by newid()", conn);

//      指定两个题目必须出现      select * from (SELECT top 2 *,NewId() As RandromX  FROM tb_test Where id < 3 and testCourse='初级' Order By RandromX)  A 
//UNION ALL 
//select * from (SELECT top 8 *,NewId() As RandromX   FROM tb_test Where id > 3 and testCourse='初级' Order By RandromX)  B 


            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
                RadioButtonList cbk = new RadioButtonList();
                cbk.ID = "cbk" + i.ToString();

                littxt.Text = "<input type='hidden' name='db_" + bie.ToString() + "'  id='db_" + bie.ToString() + "' 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].Value = j.ToString();
                    //cbk.Attributes["onclick"] = " db(1, "+i.ToString()+")";
                    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