protected void Button1_Click(object sender, EventArgs e)
        {
            // 設置 cookie, 將內(nèi)容進行編碼存儲
            HttpCookie cookie = new HttpCookie("cookie", HttpUtility.UrlEncode("中文/abc"));
            // 過期時間
            cookie.Expires = DateTime.Now.AddDays(+1);
            Response.Cookies.Add(cookie);

            Response.Redirect("Default.aspx");
        }

獲取 cookie

        protected void Page_Load(object sender, EventArgs e)
        {
            HttpCookie cookie = default(HttpCookie);
            cookie = Request.Cookies.Get("cookie");

            // 判斷是否為空
            if (cookie != null)
            {
                // 進行解碼
                string str = HttpUtility.UrlDecode(cookie.Value);
                Response.Write(str);
            }
            else
            {
                // cookie 對象為空
            }
        }