Convert Amount Into Words

 https://www.aspsnippets.com/questions/118917/Convert-amount-into-words-Dollars-and-cents-in-ASPNet/

protected void ConvertToWords(object sender, EventArgs e)
{
    lblResult.Text = MoneyToWords(Convert.ToDouble(txtAmount.Text));
}

public static string MoneyToWords(double value)
{
    decimal money = Math.Round((decimal)value, 2);
    int number = (int)money;
    int decimalValue = 0;
    string doller = string.Empty;
    string cents = string.Empty;
    doller = NumberToWords(number);
    if (money.ToString().Contains("."))
    {
        decimalValue = int.Parse(money.ToString().Split('.')[1]);
        cents = NumberToWords(decimalValue);
    }
    string result = !string.IsNullOrEmpty(cents) ? (decimalValue == 1 ? string.Format("{0} Doller and {1} Cent Only.", doller, cents) : string.Format("{0} Doller and {1} Cents Only.", doller, cents)) : string.Format("{0} Doller Only.", doller);
    return result;
}

public static string NumberToWords(int number)
{
    if (number == 0)
        return "zero";

    if (number < 0)
        return "minus " + NumberToWords(Math.Abs(number));

    string words = "";

    if ((number / 1000000) > 0)
    {
        words += NumberToWords(number / 1000000) + " Million ";
        number %= 1000000;
    }

    if ((number / 1000) > 0)
    {
        words += NumberToWords(number / 1000) + " Thousand ";
        number %= 1000;
    }

    if ((number / 100) > 0)
    {
        words += NumberToWords(number / 100) + " Hundred ";
        number %= 100;
    }

    if (number > 0)
    {
        var unitsMap = new[] { "Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten", "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen" };
        var tensMap = new[] { "Zero", "Ten", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety" };

        if (number < 20)
            words += unitsMap[number];
        else
        {
            words += tensMap[(number) / 10];
            if ((number % 10) > 0)
                words += " " + unitsMap[(number) % 10];
        }
    }
    return words;
}