Converting object into byte array and send through sockets in C#

// SERVER CODE (This is a console application)
 
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.IO;
using ASmsCtrl;
using System.Threading;
 
 
namespace Server_App
{
    [Serializable]
    class Program
    {
        private const int BUF_SIZE = 512000;
 
        static void Main(string[] args)
        {
            TcpListener listener = null;
            
            try
            {
                listener = new TcpListener(5555);
                listener.Start();
                Console.WriteLine("The server is started at port : 5555");
                Console.WriteLine("Press Ctrl + C to Exit");
            }
            catch (SocketException se)
            {
                Console.WriteLine(se.ErrorCode + " : " + se.Message);
            }
            
            byte[] rcvBuffer = new byte[BUF_SIZE];
            
            int bytesRcvd;
 
            while (true)
            {
                TcpClient client = null;
                NetworkStream netStream = null;
 
                try
                {
                    client = listener.AcceptTcpClient();
                    netStream = client.GetStream();
 
                    while ((bytesRcvd = netStream.Read(rcvBuffer, 0, rcvBuffer.Length)) > 0)
                    {
                        netStream.Write(rcvBuffer,0,bytesRcvd);
                    }
 
                    ObjectByteArrayConverter obac = new ObjectByteArrayConverter();
                    ClassMessage objClassMessage = (ClassMessage)obac.ByteArrayToObject(rcvBuffer);
 
                    Console.WriteLine("Phone No: " + objClassMessage.Number);
                    Console.WriteLine("Message: " + objClassMessage.Message);
 
                    netStream.Close();
                    client.Close();
                }
                catch (Exception e)
                {
                    Console.WriteLine(e.Message);
                    netStream.Close();
                }
            }
 
        }
    } // Main Class      
}
 
//--------------------------------------------------------------------------------------------------//
 
 
 
 
 
// CLIENT CODE (This is a Windows Application)
 
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.IO;
using client_App;
 
 
namespace client_App
{
    [Serializable]
    public partial class frmMain : Form
    {
        TcpClient tcpClient;
        NetworkStream networkStream;
        StreamReader streamReader;
        StreamWriter streamWriter;
 
        public frmMain()
        {
            InitializeComponent();                       
        }
 
        private void btnSend_Click(object sender, EventArgs e)
        {
            TcpClient client = null;
            NetworkStream netStream = null;
 
            try
            {
                ClassMessage objClassMessage = new ClassMessage(this.txtPhone.Text, this.txtMessage.Text);
                Object obj = new Object();
                obj = objClassMessage;
 
                ObjectByteArrayConverter obac = new ObjectByteArrayConverter();
                byte[] byteBuffer = obac.ObjectToByteArray(obj);
                
 
                client = new TcpClient("localhost", 5555);
                netStream = client.GetStream();
 
 
                netStream.Write(byteBuffer, 0, byteBuffer.Length);
 
            }
            catch (SocketException ex)
            {
                Console.WriteLine(ex);
            }
            finally
            {
                netStream.Close();
                client.Close();
            }
        }        
    }
}
 
 
//--------------------------------------------------------------------------------------------------//
 
 
 
 
 
 
// CODE OF ClassMessage.cs (This class is used in both Client and Server application)
 
using System;
 
namespace Server_App
{
    [Serializable]
    class ClassMessage
    {
        private string number;
        private string message;
 
        public ClassMessage()
        {
            this.number = "";
            this.message = "";
        }
 
        public ClassMessage(string number, string message)
        {
            this.number = number;
            this.message = message;
        }
 
        public string Number
        {
            get
            {
                return number;
            }
            set
            {
                number = value;
            }
        }
 
        public string Message
        {
            get
            {
                return message;
            }
            set
            {
                message = value;
            }
        }
    }
}
 
//--------------------------------------------------------------------------------------------------//
 
 
 
 
 
// CODE FOR ObjectByteArrayConverter.cs (This class is also used in both Client and Server Application)
 
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;
using System.IO;
 
namespace Server_App
{
    [Serializable]
    class ObjectByteArrayConverter
    {
        public byte[] ObjectToByteArray(Object obj)
        {
            MemoryStream fs = new MemoryStream();
            BinaryFormatter formatter = new BinaryFormatter();
            try
            {
                formatter.Serialize(fs, obj);
                return fs.ToArray();
            }
            catch (SerializationException e)
            {
                return null;
            }
            finally
            {
                fs.Close();
            }
        }
 
        
 
        public object ByteArrayToObject(Byte[] Buffer)
        {
            BinaryFormatter formatter = new BinaryFormatter();
            MemoryStream stream = new MemoryStream(Buffer);
            try
            {
                return formatter.Deserialize(stream);
            }
            catch
            {
                return null;
            }
        }
    }
}
                                              

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