private void AddHostingUnit_bt_Click(object sender, RoutedEventArgs e)
{
try
{
int key = bl.AddHostingUinit(unit);
units.Add(bl.GetHoustingUinit(key));
view.Items.Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
this.Close();
}
}