public static string NumbersToWords(int inputNumber)
{
int inputNo =
inputNumber;
if (inputNo ==
0)
return "Zero";
int[] numbers = new int[4];
int first = 0;
int u, h, t;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
if (inputNo <
0)
{
sb.Append("Minus ");
inputNo = -inputNo;
}
string[] words0 = {"" ,"One ", "Two ", "Three ", "Four ",
"Five " ,"Six ", "Seven ", "Eight ", "Nine "};
string[] words1 = {"Ten ", "Eleven ", "Twelve ", "Thirteen
", "Fourteen ",
"Fifteen
","Sixteen ","Seventeen ","Eighteen
", "Nineteen "};
string[] words2 = {"Twenty ", "Thirty ", "Forty ", "Fifty ", "Sixty ",
"Seventy
","Eighty ", "Ninety "};
string[] words3 = { "Thousand
", "Lakh ", "Crore " };
numbers[0] = inputNo % 1000; // units
numbers[1] = inputNo / 1000;
numbers[2] = inputNo / 100000;
numbers[1] = numbers[1] - 100 * numbers[2]; // thousands
numbers[3] = inputNo / 10000000; // crores
numbers[2] = numbers[2] - 100 * numbers[3]; // lakhs
for (int i = 3; i >
0; i--)
{
if (numbers[i]
!= 0)
{
first = i;
break;
}
}
for (int i = first; i
>= 0; i--)
{
if (numbers[i]
== 0) continue;
u = numbers[i] % 10; // ones
t = numbers[i] / 10;
h = numbers[i] / 100; // hundreds
t = t - 10 * h; // tens
if (h > 0)
sb.Append(words0[h] + "Hundred ");
if (u > 0 ||
t > 0)
{
if (h > 0 ||
i == 0) sb.Append("and ");
if (t == 0)
sb.Append(words0[u]);
else if (t == 1)
sb.Append(words1[u]);
else
sb.Append(words2[t - 2] + words0[u]);
}
if (i != 0)
sb.Append(words3[i - 1]);
}
return sb.ToString().TrimEnd();
}
Below is the aspx
code.
<form id="form1" runat="server">
<div>
<table style="width: 50%;">
<tr>
<td>
Input Number
</td>
<td>
<asp:TextBox ID="txtNumber" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="btnConvert" Text="Convert To
Words" runat="server" OnClick="btnConvert_Click" />
</td>
</tr>
<tr>
<td colspan="2">
<asp:Label ID="lblWords" runat="server"></asp:Label>
</td>
</tr>
</table>
</div>
</form>