Convert rupees to word including paisa in asp.net c#

public static string ConvertNumbertoWords(int number)

{

if (number == 0)

return "ZERO";

if (number < 0)

return "minus " + ConvertNumbertoWords(Math.Abs(number));

string words = "";

if ((number / 1000000000) > 0)

{

words += ConvertNumbertoWords(number / 1000000000) + " Billion ";

number %= 1000000000;

}

if ((number / 10000000) > 0)

{

words += ConvertNumbertoWords(number / 10000000) + " Crore ";

number %= 10000000;

}

if ((number / 1000000) > 0)

{

words += ConvertNumbertoWords(number / 1000000) + " MILLION ";

number %= 1000000;

}

if ((number / 1000) > 0)

{

words += ConvertNumbertoWords(number / 1000) + " THOUSAND ";

number %= 1000;

}

if ((number / 100) > 0)

{

words += ConvertNumbertoWords(number / 100) + " HUNDRED ";

number %= 100;

}

if (number > 0)

{

if (words != "")

words += "AND ";

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;

}

string amt = "253.56";

var word = ConvertNumbertoWords(Convert.ToInt32(amt.Split('.')[0])) + ' ' + "RUPEES" + ' ' + ConvertNumbertoWords(Convert.ToInt32(amt.Split('.')[1])) + ' ' + "PAISE only";

Console.WriteLine(word);