CSharpRecursion.cs

using System;

namespace CSharpRecursion
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Counted to {0}.", CountRecursively(10000));
        }

        static int CountRecursively(int count)
        {
            if (count <= 0)
                return count;
            return 1 + CountRecursively(count - 1);
        }
    }
}