CONVERT NUMBER INTO WORD IN C# APPLICATION

public string IntegerToWords(long inputNum) {
int dig1,dig2,dig3,level=0,lasttwo,threeDigits;

string retval="";
string x="";
string[] ones={
"zero",
"one",
"two",
"three",
"four",
"five",
"six",
"seven",
"eight",
"nine",
"ten",
"eleven",
"twelve",
"thirteen",
"fourteen",
"fifteen",
"sixteen",
"seventeen",
"eighteen",
"nineteen"
};
string[] tens={
"zero",
"ten",
"twenty",
"thirty",
"forty",
"fifty",
"sixty",
"seventy",
"eighty",
"ninety"
};
string[] thou={
"",
"thousand",
"million",
"billion",
"trillion",
"quadrillion",
"quintillion"
};

bool isNegative=false;
if (inputNum < 0) { isNegative=true; inputNum*=-1; } if (inputNum==0) return ("zero"); string s=inputNum.ToString(); while (s.Length>0) {
// Get the three rightmost characters
x=(s.Length<3) ? s : s.Substring(s.Length - 3, 3); // Separate the three digits threeDigits=int.Parse(x); lasttwo=threeDigits % 100; dig1=threeDigits / 100; dig2=lasttwo / 10; dig3=(threeDigits % 10); // append a "thousand" where appropriate if (level>0 && dig1+dig2+dig3>0) {
retval=thou[level] + " " + retval;
retval=retval.Trim();
}

// check that the last two digits is not a zero
if (lasttwo>0) {
if (lasttwo<20) // if less than 20, use "ones" only retval=ones[lasttwo] + " " + retval; else // otherwise, use both "tens" and "ones" array retval=tens[dig2] + " " + ones[dig3] + " " + retval; } // if a hundreds part is there, translate it if (dig1>0)
retval = ones[dig1] + " hundred " + retval;

s=(s.Length - 3)>0 ? s.Substring(0,s.Length - 3) : "";
level++;
}

while (retval.IndexOf(" ")>0)
retval=retval.Replace(" "," ");

retval=retval.Trim();

if (isNegative)
retval="negative " + retval;

return (retval);
}


NOTE : You need to create .cs file. Include above code in it and then use Function wherever applicable in your application.