Convert number to words

Hi All,
I'm trying to convert the amount written in numbers into words as on cheque. Please help me for the same.
I've written the following code in a class file and called a function from it into my page.


using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public class NumToWord
{
public String changeNumericToWords(double numb)
    {

        String num = numb.ToString();

        return changeToWords(num, false);

    }

    public String changeCurrencyToWords(String numb)
    {

      &nb ...