private void Init()
{
if (agenda != null) return;
container = new NdcAgendaContainer(new Uri("http://81.27.45.120:810/ConferenceData.svc"));
agenda = container.Agendas
.Expand("Speakers,Sessions/Speakers")
.Where(a => a.AgendaId == "NDC2011")
.OrderByDescending(a => a.Version)
.FirstOrDefault();
}
