C# Program to Get a Number and Display the Sum of the Digits

1. /*

2.  * C# Program to Get a Number and Display the Sum of the Digits 

3.  */

4. using System;

5. using System.Collections.Generic;

6. using System.Linq;

7. using System.Text;

9. namespace Program

10. {

11.     class Program

12.     {

13.         static void Main(string[] args)

14.         {

15.             int num, sum = 0, r;

16.             Console.WriteLine("Enter a Number : ");

17.             num = int.Parse(Console.ReadLine());

18.             while (num != 0)

19.             {

20.                 r = num % 10;

21.                 num = num / 10;

22.                 sum = sum + r;

23.             }

24.             Console.WriteLine("Sum of Digits of the Number : "+sum);

25.             Console.ReadLine();

27.         }

28.     }

29. }

Here is the output of the C# Program:

Enter a Number : 123
Sum of Digits of the Number : 6