RosettaCodeData/Task/FizzBuzz/C-sharp/fizzbuzz-2.cs

class Program
{
    static void Main()
    {
        for (uint i = 1; i <= 100; i++)
        {
            string s = null;

            if (i % 3 == 0)
                s = "Fizz";

            if (i % 5 == 0)
                s += "Buzz";

            System.Console.WriteLine(s ?? i.ToString());
        }
    }
}