怎样使用cookies保存KindEditor编辑器输入消息，很急，求解答，谢谢！

 public void DoPost(XY_QuestionInfo XY_QuestionInfo, string loginCode, string checkType)
        {
            XY_QuestionInfo.Question = XY_QuestionInfo.Question.Replace("一次只能提问一道题，重复提交也会影响解答质量哟！与学习无关的问题也不能提呢！", "");
            int QuestionTime=QuestionRD.GetTotalCountQuestionByUserId(xk_user.UserID);
            //提交问题未到一分钟保存KindEditor编辑器文本框输入内容的cookie信息
            if (QuestionTime > 0)
            {
                //HttpCookie oCookies = Request.Cookies[Config.CookieSn];     
                HttpCookie Cookies = Request.Cookies[Config.CookieSn];
                if (Cookies != null)
                {
                    
                }
                Common.Utils.JSAlertBack("您好，不能频繁提交问题，请过一分钟后再提问!");
                //Response.Write("<script type=\"text/javascript\">history.go(-1);</script>");
                Respone.End();
            }
            //成功提交问题则清除KindEditor编辑器存放的cookie信息
            else
            {

            }
            if (xk_user != null)
            {

                //Common.Utils.JSAlertGoUrl("您好，此操作需要登录后方可进行，请先登录！", "http://xy.zxxk.com/login.aspx?comeUrl=" + httpContext.Server.UrlEncode(Request.Url.ToString()));
                //Response.End();
            }