cookie

写入cookie

                HttpCookie mycookie = new HttpCookie("UserSettings");
                mycookie["UserName"] = username;
                mycookie["Password"] = password;
                mycookie.Expires = DateTime.Now.AddMinutes(1);
                Response.Cookies.Add(mycookie);

读取cookie

                string username = "";
                string password = "";
                if (Request.Cookies["UserSettings"]["UserName"] != null)
                    username = Request.Cookies["UserSettings"]["UserName"];
                if (Request.Cookies["UserSettings"]["Password"] != null)
                    password = Request.Cookies["UserSettings"]["Password"];

           或

               HttpCookie cookie=Request.Cookies["UserSettings"]；

                username=cookie["UserNames"];