protected void Page_Init(object sender, EventArgs e)
        {
            var participants = AttendSessionEngine.GetParticipants(CurrentBlock);

            NoParticipants.Visible = !(participants.Any <ParticipantBlock>());
            NoParticipants.DataBind();

            SetupPreviewPropertyControl(ParticipantsContentArea, participants);
        }
        protected void Page_Init(object sender, EventArgs e)
        {
            Participants           = AttendRegistrationEngine.GetParticipants(CurrentPage.ContentLink).ToList();
            NoParticipants.Visible = !(Participants.Count <IParticipant>() > 0);
            Sessions = AttendSessionEngine.GetSessions(CurrentPage.ContentLink).ToList();

            PopulateStatusDropDown();
            PopulateEMailDropDown();
            PopulateSessionDropDown();

            DeleteParticipantsCopy.OnClientClick = "return confirm('" + DeleteConfirmation() + "');";

            NoParticipants.DataBind();
        }