sum all digits in a number c# code example

Example 1: sum of digits in c#

int num = 123;
int sum = 0;
while(num > 0)
{
  sum += number % 10;
  num /= 10;
}
Console.WriteLine(sum); // output: 6

Example 2: sum the digits in c#

sum = 0;
while (n != 0) {
    sum += n % 10;
    n /= 10;
}