How to run console application on telnet window ?

namespace ConsoleApplication2
{
    class Program
    {
        string path = @"text file path";

        SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["constring"].ToString());

        public void getConsoleInput()
        {
            try
            {
                FileInfo fi = new FileInfo(path);

                for (int i = 0; i <= 0; i++)
                {
                    Console.WriteLine("");
                    using (StreamWriter sw = new StreamWriter(path))
                    {
                        sw.WriteLine(Console.ReadLine());
                        sw.Close();
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
        }

        public void ReadWriteIntoFile()
        {
            try
            {
                string filename = @"txt file path";
                StringBuilder sb = new StringBuilder();

                StreamReader sr = new StreamReader(path);
                string s = sr.ReadLine();
                sr.Close();

                DataExport("Select * from PATIENT_TABLE where [BARCODE] = '" + s + "'", filename);
            }
            catch { }
        }

        public void DataExport(string SelectQuery, string filename)
        {
            try
            {
                using (var dt = new DataTable())
                {
                    using (var da = new SqlDataAdapter(SelectQuery, con))
                    {
                        da.Fill(dt);
                        var rows =
                            from dr in dt.Rows.Cast<datarow>()
                            select String.Join(
                                ",",
                                from dc in dt.Columns.Cast<datacolumn>()
                                let t1 = Convert.IsDBNull(dr[dc]) ? "" : dr[dc].ToString()
                                let t2 = t1.Contains(",") ? String.Format("\"{0}\"", t1) : t1
                                select t2);

                        using (var sw = new StreamWriter(filename))
                        {
                            // sw.WriteLine(header);
                            foreach (var row in rows)
                            {
                                sw.WriteLine(row);
                            }
                            sw.Close();
                        }
                    }
                }
            }
            catch (Exception e) { Console.WriteLine(e.Message); }
        }

        public void WriteFileOutput()
        {
            string path = @"text file path";
            if (File.Exists(path))
            {
                string[] lines = File.ReadAllLines(path);

                foreach (string line in lines)
                {
                    Console.WriteLine(line);
                }

            }
            Console.ReadLine();
        }

        public static void Main(string[] args)
        {
            Program p = new Program();
            p.getConsoleInput();
            p.ReadWriteIntoFile();
            p.WriteFileOutput();
        }

        public void timerfor()
        {
            Timer t;
            t = new System.Timers.Timer(10000);
            // Hook up the Elapsed event for the timer. 
            t.Elapsed += OnTimedEvent;
            t.Enabled = true;
        }

        private static void OnTimedEvent(Object source, ElapsedEventArgs e)
        {
            Console.WriteLine(ConsoleKey.Enter);          
        }
    }
}
<pre lang="c#">