/// <summary>
    /// 执行操作的方法
    /// </summary>
    private void Action()
    {
        string cmd = Request["cmd"];

        if (String.IsNullOrEmpty(cmd))
        {
            return;
        }
        string ids = Request.QueryString["ids"];

        if (cmd == "del")
        {
            bll_pageSection.Delete(ids);
        }

        Response.Redirect(Request.Url.AbsolutePath + WebUtility.GetUrlParams("?", true));
    }