public HtmlTag get_scheduled_jobs()
        {
            var tag = new HtmlTag("div");

            tag.Add("h1").Text("Scheduled Jobs Monitor");
            tag.Add("p").Text("at {0} -- reload the page to refresh the data".ToFormat(DateTime.Now));

            var schedule = _persistence.FindAll(_graph.Name);

            tag.Append(new ScheduledJobTable(_urls, schedule));

            return(tag);
        }