cookie记住密码

cookie记住密码：

/// <summary>
    /// 记住密码
    /// </summary>
    private void RememberPassword()
    {
        if (cbRememberPW.Checked)
        {
            //记住密码
            System.Web.HttpCookie newCookie = new HttpCookie("user");
            newCookie.Values["username"] = tbUserName.Value.Trim();
            string strPW = tbPassword.Value.Trim();  //最好加密后的密码放到COOKIE内
            newCookie.Values["password"] = strPW;
            newCookie.Expires = DateTime.Now.AddDays(15);
            Response.AppendCookie(newCookie);
        }
        else
        {
            System.Web.HttpCookie cookie = Request.Cookies["user"];
            if (cookie != null)
            {
                cookie.Expires = DateTime.Now.AddDays(-2);
                Response.Cookies.Set(cookie);
            }
        }
    }

 读取cookie中的密码

//在页面加载时 调用此方法
   /// <summary>
    /// 读取cookie中的密码
    /// </summary>
    private void ReadPassword()
    {
        if (Request.Cookies["user"] != null)
        {
            string strPassword = Request.Cookies["user"]["password"].ToString();
              
            tbUserName.Value = Request.Cookies["user"]["username"].ToString();
            cbRememberPW.Checked = true;
           
        }
    }