private void InitPeriods()
{
Periods = _summaryService.GetPeriods();
PeriodsListView.ItemsSource = Periods.OrderByDescending(p => p.ReportedDate);
foreach (PeriodSummary period in Periods)
{
AssetsListBox.ItemsSource = period.Assets;
SummaryViewbox.Text = period.ToString();
}
if (Periods.Any())
{
SetDefaultPeriodItem();
}
UpdateAssetPanel.Visibility = Visibility.Collapsed;
}