Cookies的添加和取得

添加内容进cookies
        HttpCookie cookies = new HttpCookie("SendGoods");
        cookies.Values.Clear();
        cookies.Values.Add("printorderid",Server.UrlEncode(字符串的值))
        Response.Cookies.Add(cookies);
取得Cookies的值
      orderid = Server.UrlDecode(Request.Cookies["SendGoods"].Values["printorderid"].ToString());