private void populateActivityNotes()
        {
            string   errorMessage = String.Empty;
            Activity activity     = (Activity)activityDataSource.DataSource;

            activity.ActivityNoteList     = Controller.GetActivityNoteList(activity, out errorMessage);
            activityDataSource.DataSource = activity;

            activityNoteListBindingSource.DataSource = activity.ActivityNoteList;
        }