Client Server C#

 using System;

using System.Net;

using System.Net.Sockets;

using System.Text;

using System.Threading;

namespace Server

{

    class Program

    {

        static void Main(string[] args)

        {

            // Create a new server socket

            Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            // Bind the socket to a local endpoint

            IPEndPoint localEndPoint = new IPEndPoint(IPAddress.Any, 13000);

            serverSocket.Bind(localEndPoint);

            // Start listening for incoming connections

            serverSocket.Listen(10);

            Console.WriteLine("Waiting for a connection...");

            // Accept incoming connections

            Socket clientSocket = serverSocket.Accept();

            Console.WriteLine("Connected!");

            // Receive data from the client

            byte[] buffer = new byte[1024];

            int bytesReceived = clientSocket.Receive(buffer);

            string data = Encoding.ASCII.GetString(buffer, 0, bytesReceived);

            Console.WriteLine("Received: " + data);

            // Send a response back to the client

            string response = "Thank you for connecting!";

            byte[] responseBuffer = Encoding.ASCII.GetBytes(response);

            clientSocket.Send(responseBuffer);

            // Close the socket

            clientSocket.Shutdown(SocketShutdown.Both);

            clientSocket.Close();

        }

    }

}

********************

using System;

using System.Net;

using System.Net.Sockets;

using System.Text;

using System.Threading;

namespace Client

{

    class Program

    {

        static void Main(string[] args)

        {

            // Create a new client socket

            Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            // Connect to the server

            IPEndPoint serverEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 13000);

            clientSocket.Connect(serverEndPoint);

            Console.WriteLine("Connected to server!");

            // Send a message to the server

            string message = "Hello from the client!";

            byte[] buffer = Encoding.ASCII.GetBytes(message);

            clientSocket.Send(buffer);

            // Receive a response from the server

            buffer = new byte[1024];

            int bytesReceived = clientSocket.Receive(buffer);

            string response = Encoding.ASCII.GetString(buffer, 0, bytesReceived);

            Console.WriteLine("Received: " + response);

            // Close the socket

            clientSocket.Shutdown(SocketShutdown.Both);

            clientSocket.Close();

        }

    }

}