private void BtnSave_Click(object sender, RoutedEventArgs e)
{
if (_upDownAmount.Value == null || _upDownPrice.Value == null)
{
return;
}
var item = new InvoiceItem
{
Name = _tbName.Text,
Price = _upDownPrice.Value.Value,
Amount = _upDownAmount.Value.Value,
Currency = _currency,
Unit = _cbUnit.SelectedItem as UnitOfMeasure
};
item.SetTotal();
var result = Saver.Checker(item);
if (result)
{
_items.Add(item);
Init();
}
}