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;
}
//Second button, only to launch CheckVatApprox
private void CheckButton2_Click(object sender, EventArgs e)
{
CheckButton2.Enabled = false;
string countryCode = ExtractCountryCodeFromInput();
string VATCode = ExtractVatCodeFromInput();
if (VatIsFine() && ValidateVatByCountryCode(countryCode, VATCode))
{
CheckVatApproxByVies();
// XmlGenerator.GenerateXmlDoc();
}
else
{
ResultLabel.Text = MessageProvider.ErrorMessage();
}
CheckButton2.Enabled = true;
}
private bool ValidateVatByCountryCode(string countryCode, string VATCode)
{
if (countryCode == "CH")
{
countryCode = "CHE";
}
switch (countryCode)
{
case "DK":
case "FI":
case "HU":
case "LU":
case "MT":
case "SI":
{
return(CheckCountriesVATRequirements.IsNumbersOkDigits8(VATCode));
}
case "EE":
case "DE":
case "EL":
case "PT":
case "UK":
{
if (CheckCountriesVATRequirements.IsNumbersOkDigits9(VATCode))
{
return(true);
}
break;
}
case "PL":
case "RO":
case "SK":
{
if (CheckCountriesVATRequirements.IsNumbersOkDigits10(VATCode))
{
return(true);
}
break;
}
case "HR":
case "IT":
case "LV":
{
if (CheckCountriesVATRequirements.IsNumbersOkDigits11(VATCode))
{
return(true);
}
break;
}
case "SE":
{
if (CheckCountriesVATRequirements.IsNumbersOkDigits12(VATCode))
{
return(true);
}
break;
}
case "AT":
{
if (CheckCountriesVATRequirements.IsNumbersOkAustria(VATCode))
{
return(true);
}
break;
}
case "BE":
{
if (CheckCountriesVATRequirements.IsNumbersOkBelgium(VATCode))
{
return(true);
}
break;
}
case "CY":
{
if (CheckCountriesVATRequirements.IsNumbersOkCyprus(VATCode))
{
return(true);
}
break;
}
case "CZ":
{
if (CheckCountriesVATRequirements.IsNumbersOkCzech(VATCode))
{
return(true);
}
break;
}
case "ES":
{
if (CheckCountriesVATRequirements.IsNumbersOkSpain(VATCode))
{
return(true);
}
break;
}
case "IE":
{
if (CheckCountriesVATRequirements.IsNumbersOkIreland(VATCode))
{
return(true);
}
break;
}
case "NL":
{
if (CheckCountriesVATRequirements.IsNumbersOkNetherlands(VATCode))
{
return(true);
}
break;
}
case "LT":
{
if (CheckCountriesVATRequirements.IsNumbersOkDigits9(VATCode) ||
CheckCountriesVATRequirements.IsNumbersOkDigits12(VATCode))
{
return(true);
}
break;
}
case "FR":
{
if (CheckCountriesVATRequirements.IsNumbersOkFrance(VATCode))
{
return(true);
}
break;
}
case "CHE":
{
if (CheckCountriesVATRequirements.IsNumbersOkSwitzerland(VATCode))
{
return(true);
}
break;
}
case "IS":
{
if (CheckCountriesVATRequirements.IsNumbersOkIceland(VATCode))
{
return(true);
}
break;
}
case "NO":
{
if (CheckCountriesVATRequirements.IsNumbersOkNorway(VATCode))
{
return(true);
}
break;
}
default:
MessageProvider.ErrorMessage();
break;
}
return(false);
}
