private void CurrencyEditExecuted(object sender, ExecutedRoutedEventArgs e)
{
var currencyId = (int) e.Parameter;
var cd = new CurrencyDetail(currencyId, PageMode.EditMode);
cd.Show();
e.Handled = true;
}
private void Button1Click(object sender, RoutedEventArgs e)
{
var cd = new CurrencyDetail(PageMode.AddMode);
cd.Show();
}