内置对象之Cookie

if (!this.IsPostBack)

        {

            try

            {

                HttpCookie MyCookie = new HttpCookie("MyCookie");

                MyCookie.Value = Server.HtmlEncode("我的Cookie应用程序");//自动把乱码转换成正常的字符串，如果直接赋值字符串就会出现乱码

                MyCookie.Expires = DateTime.Now.AddDays(5);

                Response.Cookies.Add(MyCookie);

                Response.Write("Cookie创建成功");

                HttpCookie GetCookie = Request.Cookies["MyCookie"];

                Response.Write("Cookie的值:" + GetCookie.Value.ToString()+"<br/>");



                Response.Write("Cookie的过期时间" + GetCookie.Expires.ToString()+"<br/>");

            }

            catch

            {

                Response.Write("Cookie创建失败");

            }

        }