private void DeleteHostingUnitBtn_Click(object sender, RoutedEventArgs e)//this takes us to delete the unit
{
try
{
ImpBL bl = ImpBL.Instance;
int unitKey = int.Parse(HostingUnitKeyLable.Content.ToString().Substring(1));
bl.DeleteHostingUnit(bl.GetHostingUnit(unitKey));
UserControlContainer.Visibility = Visibility.Collapsed;
}
catch (Exception err)
{
MessageBox.Show(err.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}