Basic Socket Programming in C#

using System;
using System.Net.Sockets;
using System.Text;
namespace Cons
{
 class Program
 {
  static void Main(string[] args)
  {
   TcpListener serverSocket = new TcpListener(8888);
   int requestCount = 0;
   TcpClient clientSocket = default(TcpClient);
   serverSocket.Start();
   Console.WriteLine(" >> Server Started");
   clientSocket = serverSocket.AcceptTcpClient();
   Console.WriteLine(" >> Accept connection from client");
   requestCount = 0;
   while ((true))
   {
    try
    {
     requestCount = requestCount + 1;
     NetworkStream networkStream = clientSocket.GetStream();
     byte[] bytesFrom = new byte[10025];
     networkStream.Read(bytesFrom, 0,
     (int)clientSocket.ReceiveBufferSize);
     string dataFromClient =
     System.Text.Encoding.ASCII.GetString(bytesFrom);
     dataFromClient = dataFromClient.Substring(0,
     dataFromClient.IndexOf("$"));
     Console.WriteLine(" >> Data from client - " +
     dataFromClient);
     string serverResponse = "Server response " +
     Convert.ToString(requestCount);
     Byte[] sendBytes =
     Encoding.ASCII.GetBytes(serverResponse);
     networkStream.Write(sendBytes, 0, sendBytes.Length);
     networkStream.Flush();
     Console.WriteLine(" >> " + serverResponse);
    }
    catch (Exception ex)
    {
     Console.WriteLine(ex.ToString());
    }
   }
   clientSocket.Close();
   serverSocket.Stop();
   Console.WriteLine(" >> exit");
   Console.ReadLine();
  }
 }
}