FizzBuzz... Let's jump the Hype-Train.

FizzBuzz.cs

// Thanks to Igor Fischer for continuous support!

static class Extensions
{
    public static IEnumerable<T> ForEach<T>(this IEnumerable<T> sequence, Action<T> action)
    {
        foreach (T item in sequence) action(item);
        return sequence;
    }
}

class Program
{
    static void Main(string[] args)
    {
        var range = Enumerable.Range(1, 15);

        var fizzBuzz = new Func<int, string>(i =>
            i % 15 == 0 ? "FizzBuzz"
                        : i % 3 == 0 ? "Fizz"
                                     : i % 5 == 0 ? "Buzz" : i.ToString()
        );

        range.Select(fizzBuzz).ForEach(Console.WriteLine);

        Console.ReadKey();
    }
}