private SiteUrls()
        {
            Urls = new ArrayList();
            Paths = new NameValueCollection();

            UrlRewriteBll bll = new UrlRewriteBll();
            List<UrlRewrite> ls = bll.GetList("");
            foreach (UrlRewrite entity in ls)
            {
                Paths.Add(entity.name, entity.path);
                entity.page = entity.page.Replace("^", "&");
                entity.querystring = entity.querystring.Replace("^", "&");
                Urls.Add(entity);
            }
        }