public WorkEffortViewModel(IEnumerable <TimeEntry> items, ChronosViewTypeOptions options = ChronosViewTypeOptions.Week)
     : base(items)
 {
     Display = items.FirstOrDefault().Task.Display;
     if (_SelectedView == ChronosViewTypeOptions.None)
     {
         SelectedView = options;
     }
 }
 private void AggregateView(ChronosViewTypeOptions selectedView)
 {
     //throw new NotImplementedException();
 }