A FizzBuzz solution that uses a Custom Numeric Format string to produce the desired output

FizzBuzz with Custom Numeric Format Specifiers

using System;

namespace FizzBuzzCustomNumericFormatter
{
    public class Program
    {
        public static void Main(string[] args)
        {
            const string format = "{0:#;}{1:;;Fizz}{2:;;Buzz}";

            for (int i = 1; i <= 100; i++)
                Console.WriteLine(format, i % 3 * i % 5 == 0 ? 0 : i, i % 3, i % 5);

            Console.ReadLine();
        }
    }
}