ь клиента на сервер - чтение сервера. и сервер пишет клиенту - клиент не читается.

Сервер:

    using System;
    using System.Text;
    using System.Net;
    using System.Net.Sockets;
    using System.IO;

    class SocketServer
    {

        public static void Main()
        {

            StreamReader streamReader;
            NetworkStream networkStream;

            TcpListener tcpListener = new TcpListener(5555);
            tcpListener.Start();

            Console.WriteLine("The Server has started on port 5555");
            Socket serverSocket = tcpListener.AcceptSocket();

            try
            {
                if (serverSocket.Connected)
                {
                    Console.WriteLine("Client connected");
                    networkStream = new NetworkStream(serverSocket);

                    AsynchronousMethodDelegate asyncDeleg = new AsynchronousMethodDelegate(AsynchronousMethod);
                    AsyncCallback callback = new AsyncCallback(CallbackMethod);
                    asyncDeleg.BeginInvoke(networkStream, callback, asyncDeleg);
                    streamReader = new StreamReader(networkStream);
                    while (true)
                    {
                        Console.WriteLine(streamReader.ReadLine());
                    }

                }

                if (serverSocket.Connected)
                    serverSocket.Close();

                Console.Read();
            }

            catch (SocketException ex)
            {
                Console.WriteLine(ex);
            }
            catch (IOException ex) { Console.WriteLine(ex); }
        }



        private static void CallbackMethod(IAsyncResult ar)
        {
            AsynchronousMethodDelegate asyncDeleg = (AsynchronousMethodDelegate)ar.AsyncState;
        }
        private delegate void AsynchronousMethodDelegate(NetworkStream networkStream);
        private static void AsynchronousMethod(NetworkStream networkStream)
        {
            try
            {
                StreamWriter streamWriter;
                streamWriter = new StreamWriter(networkStream);
                while (true)
                {
                    streamWriter.WriteLine(Console.ReadLine());
                }
            }
            catch (SocketException ex){}
        }
    }

Клиент:

using System;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.IO;

class SocketClient
{
    static void Main(string[] args)
    {
        TcpClient tcpClient;
        NetworkStream networkStream;

        StreamWriter streamWriter;

        try
        {
            tcpClient = new TcpClient("localhost", 5555);
            networkStream = tcpClient.GetStream();

            AsynchronousMethodDelegate asyncDeleg = new AsynchronousMethodDelegate(AsynchronousMethod);
            AsyncCallback callback = new AsyncCallback(CallbackMethod);
            asyncDeleg.BeginInvoke(networkStream, callback, asyncDeleg);


            streamWriter = new StreamWriter(networkStream);
            while (true)
            {
                streamWriter.WriteLine(Console.ReadLine());
                streamWriter.Flush();
                //Console.WriteLine(streamReader.ReadLine());
            }
            //Console.Read();
        }
        catch (SocketException ex){
            Console.WriteLine(ex);
        }

    }

    private static void CallbackMethod(IAsyncResult ar)
    {
        AsynchronousMethodDelegate asyncDeleg = (AsynchronousMethodDelegate)ar.AsyncState;
        //lblCallback.Text = asyncDeleg.EndInvoke(ar);
    }

    private delegate void AsynchronousMethodDelegate(NetworkStream networkStream);

    private static void AsynchronousMethod(NetworkStream networkStream)
    {
        try
        {
             StreamReader streamReader = new StreamReader(networkStream);
            while (true)
            {

                Console.WriteLine(streamReader.ReadLine());
            }
        }
        catch (SocketException ex) { }
        catch (IOException ioex) { }
    }

}