private void btnCalculate_Click(object sender, EventArgs e)
{
Logic.Logic logic = new Logic.Logic();
CalculateVatRequest request = CreateCalculateVatRequest();
CalculateVatResponse response = logic.HandleCalculateRequest(request) as CalculateVatResponse;
if (response != null && response.IsValid)
{
//zakładając że chcemy zaokrąglenie
response.Result = Math.Round(response.Result, 2, MidpointRounding.AwayFromZero);
tbBrutto.Text = String.Format("{0:0.##}", response.Result);
}
else
{
// można też gdzieś wrzucić komunikaty walidacyjne
tbBrutto.Text = String.Empty;
}
}