client server connection

//Server program

class SocketSerever
{
    public static void Main()
    {
        byte[] bytes = new byte[1024];
        IPHostEntry ipHost = Dns.Resolve("localhost");
        IPAddress ipAdress = ipHost.AddressList[0];
        IPEndPoint ipEndPoint = new IPEndPoint(ipAdress, 11111);
        Socket sListener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            sListener.Bind(ipEndPoint);
            sListener.Listen(10);
            while (true)
            {
                Socket handler = sListener.Accept();
                handler.Receive(bytes);
                string receiveMessage = Encoding.ASCII.GetString(bytes);
                handler.Shutdown(SocketShutdown.Both);
                handler.Close();
            }
    }
}
//Client program
  
class ClientSocket
{
    public static void Main()
    {
        Serializations serialization = new Serializations();
        IPHostEntry ipHost = Dns.Resolve("127.0.0.1");
        IPAddress ipAddr = ipHost.AddressList[0];
        IPEndPoint ipEndPoint = new IPEndPoint(ipAddr, 11111);
        Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
        sender.Connect(ipEndPoint);

        string message = "Helo server!";
        byte[] buffer = Encoding.ASCII.GetBytes(message);

        sender.Send(buffer);

        sender.Shutdown(SocketShutdown.Both);
        sender.Close();
    }
}