asp.net登錄界面記住密碼

HttpCookie loginCookie = new HttpCookie("name");
                HttpCookie loginCookiepwd = new HttpCookie("pwd");
                if (CheckBox1.Checked == true)//判斷是否要保存密碼
                {
//將用戶名和密碼保存到Cookie中
                    loginCookie.Values.Add("uname", txtUser.Text.Trim());
                    loginCookiepwd.Values.Add("upwd", txtPwd.Text.Trim());
                    Response.Cookies.Add(loginCookie);
                    Response.Cookies.Add(loginCookiepwd);
                   //設置用戶名和密碼保存的期限
                    loginCookiepwd.Expires = DateTime.Now.AddYears(1);
                    loginCookie.Expires = DateTime.Now.AddYears(1);
                }