private static String Tens(String Number)
{
int _Number = Convert.ToInt32(Number);
String name = null;
switch (_Number)
{
case 10:
name = "Ten";
break;
case 11:
name = "Eleven";
break;
case 12:
name = "Twelve";
break;
case 13:
name = "Thirteen";
break;
case 14:
name = "Fourteen";
break;
case 15:
name = "Fifteen";
break;
case 16:
name = "Sixteen";
break;
case 17:
name = "Seventeen";
break;
case 18:
name = "Eighteen";
break;
case 19:
name = "Nineteen";
break;
case 20:
name = "Twenty";
break;
case 30:
name = "Thirty";
break;
case 40:
name = "Fourty";
break;
case 50:
name = "Fifty";
break;
case 60:
name = "Sixty";
break;
case 70:
name = "Seventy";
break;
case 80:
name = "Eighty";
break;
case 90:
name = "Ninety";
break;
default:
if (_Number > 0)
{
name = Tens(Number.Substring(0, 1) + "0") + " " + Ones(Number.Substring(1));
}
break;
}
return name;
}
private static String ConvertWholeNumber(String Number)
{
string word = "";
try
{
bool beginsZero = false;
bool isDone = false;
double dblAmt = (Convert.ToDouble(Number));
if (dblAmt > 0)
{
beginsZero = Number.StartsWith("0");
int numDigits = Number.Length;
int pos = 0;
String place = "";
switch (numDigits)
{
case 1:
word = Ones(Number);
isDone = true;
break;
case 2:
word = Tens(Number);
isDone = true;
break;
case 3:
pos = (numDigits % 3) + 1;
place = " Hundred ";
break;
case 4:
case 5:
case 6:
pos = (numDigits % 4) + 1;
place = " Thousand ";
break;
case 7:
case 8:
case 9:
pos = (numDigits % 7) + 1;
place = " Million ";
break;
case 10:
case 11:
case 12:
pos = (numDigits % 10) + 1;
place = " Billion ";
break;
default:
isDone = true;
break;
}
if (!isDone)
{
if (Number.Substring(0, pos) != "0" && Number.Substring(pos) != "0")
{
try
{
word = ConvertWholeNumber(Number.Substring(0, pos)) + place + ConvertWholeNumber(Number.Substring(pos));
}
catch { }
}
else
{
word = ConvertWholeNumber(Number.Substring(0, pos)) + ConvertWholeNumber(Number.Substring(pos));
}
}
if (word.Trim().Equals(place.Trim())) word = "";
}
}
catch { }
return word.Trim();
}