private void CheckButton_Click(object sender, EventArgs e)
{
CheckButton.Enabled = false;
ResultLabel.ResetText();
string countryCode = ExtractCountryCodeFromInput();
string VATCode = ExtractVatCodeFromInput();
if (VatIsFine() && ValidateVatByCountryCode(countryCode, VATCode))
{
CheckVatByVies(countryCode, VATCode);
}
else
{
ResultLabel.Text = MessageProvider.ErrorMessage();
}
CheckButton.Enabled = true;
}
