More Learn programming C#

using System;
using System.IO;
namespace More
{
    class Program
    {
        static void Main(string[] args)
        {
        }

        public void ShowData(string urlFile)
        {
            StreamReader fichero = new StreamReader(urlFile);
            string line;
            int count = 0;
            do
            {
                line = fichero.ReadLine();
                if (line != null)
                {
                    if (count % 24 == 0)
                        Console.ReadLine();
                    if (line.Length > 79)
                        line = line.Substring(0, 79);
                    Console.WriteLine(line);
                }
                count++;
            }
            while (line != null);
            fichero.Close();
        }
    }
}