private void CheckAvailable_Click(object sender, RoutedEventArgs e)
{
Button button = sender as Button;
currentRequest = button.DataContext as BO.GuestRequest;
availableHU = bl.CheckForAvailableHostingUnit(currentRequest.EntryDate, bl.PassedDays(currentRequest.EntryDate, currentRequest.ReleaseDate)).ToList().FindAll(x => x.Owner == hostID);
AvailableHUList.ItemsSource = availableHU;
if (availableHU.Any())
{
AvailableHUTextBox.Background = Brushes.Green;
}
else
{
AvailableHUTextBox.Background = Brushes.Red;
}
AvailbeHUGrid.Visibility = Visibility.Visible;
}