public static bool CheckFirstValid(string cpf)
{
double cpfValidationCalc;
cpfValidationCalc = ((Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.First)) * ValueToCalc.Ten)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Second)) * ValueToCalc.Nine)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Third)) * ValueToCalc.Eight)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Fourth)) * ValueToCalc.Seven)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Fifth)) * ValueToCalc.Six)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Sixth)) * ValueToCalc.Five)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Seventh)) * ValueToCalc.Four)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Eighth)) * ValueToCalc.Three)
+ (Convert.ToDouble(SplitCpfNumbers.SplitNumbers(cpf, CpfDigit.Ninth)) * ValueToCalc.Two));
double cpfValidationResult;
cpfValidationResult = (cpfValidationCalc * 10) % 11;
if (cpfValidationResult.ToString(CultureInfo.InvariantCulture) == SplitCpfNumbers.SplitNumbers(cpf, 10))
{
return(true);
}
return(false);
}
public static string RegionCpf(string cpf)
{
var region = new List <string>
{
"RS",
"DF, GO, MS e TO",
"PA, AM, AC, AM, RO e RR",
"CE, MA e PI",
"PE, RN, PB e AL",
"BA e SE",
"MG",
"RJ e ES",
"SP",
"PR e SC"
};
return(region[Convert.ToInt32(SplitCpfNumbers.SplitNumbers(cpf, 9))]);
}