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NumberToWords.cs
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NumberToWords.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace UICatalog {
public static class NumberToWords {
private static String [] units = { "Zero", "One", "Two", "Three",
"Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten", "Eleven",
"Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen",
"Seventeen", "Eighteen", "Nineteen" };
private static String [] tens = { "", "", "Twenty", "Thirty", "Forty",
"Fifty", "Sixty", "Seventy", "Eighty", "Ninety" };
public static String ConvertAmount (double amount)
{
try {
Int64 amount_int = (Int64)amount;
Int64 amount_dec = (Int64)Math.Round ((amount - (double)(amount_int)) * 100);
if (amount_dec == 0) {
return Convert (amount_int) + " Only.";
} else {
return Convert (amount_int) + " Point " + Convert (amount_dec) + " Only.";
}
} catch (Exception e) {
throw new ArgumentOutOfRangeException (e.Message);
}
}
public static String Convert (Int64 i)
{
if (i < 20) {
return units [i];
}
if (i < 100) {
return tens [i / 10] + ((i % 10 > 0) ? " " + Convert (i % 10) : "");
}
if (i < 1000) {
return units [i / 100] + " Hundred"
+ ((i % 100 > 0) ? " And " + Convert (i % 100) : "");
}
if (i < 100000) {
return Convert (i / 1000) + " Thousand "
+ ((i % 1000 > 0) ? " " + Convert (i % 1000) : "");
}
if (i < 10000000) {
return Convert (i / 100000) + " Lakh "
+ ((i % 100000 > 0) ? " " + Convert (i % 100000) : "");
}
if (i < 1000000000) {
return Convert (i / 10000000) + " Crore "
+ ((i % 10000000 > 0) ? " " + Convert (i % 10000000) : "");
}
return Convert (i / 1000000000) + " Arab "
+ ((i % 1000000000 > 0) ? " " + Convert (i % 1000000000) : "");
}
}
}