The mono-compiled .exe doesn't seem to be running on my raspberry. What might be the possible cause?

namespace ServerSide
{

    public partial class Form1 : Form
    {
        static TcpListener tcpListener = new TcpListener(11);

        public Form1()
        {

            InitializeComponent();
            tcpListener.Start();
            //Console.WriteLine("************This is Server program************");
            //Console.WriteLine("************START************");
            txt_IP.Text = Dns.GetHostAddresses("localhost").ToString();
            Thread newThread = new Thread(new ThreadStart(Listeners));
            newThread.Start();
            txt_Stream.Enabled = false;


        }


        /////////////////
        void Listeners()
        {

            Socket socketForClient = tcpListener.AcceptSocket();
            string ipaddress = socketForClient.RemoteEndPoint.ToString();
            string ipdispaddress = socketForClient.LocalEndPoint.ToString();
            //this.lbl_DisplayAddress.Text = ipaddress.ToString();
            if (socketForClient.Connected)
            {
                //Console.WriteLine("Client:" + socketForClient.RemoteEndPoint + " now connected to server.");
                NetworkStream networkStream = new NetworkStream(socketForClient);
                System.IO.StreamWriter streamWriter =
                new System.IO.StreamWriter(networkStream);
                System.IO.StreamReader streamReader =
                new System.IO.StreamReader(networkStream);
                //here we recieve client's text if any.
                while (true)
                {
                    string theString = streamReader.ReadLine();
                    //Console.WriteLine("Message recieved by client:" + theString);
                    string msg = theString;
                    AppendTextBox(msg);
                    AppendIPLabel(ipaddress);
                    AppendDispIPLabel(ipdispaddress);
                    //this.txt_Stream.Text = theString.ToString();
                    streamWriter.WriteLine("Got it");
                    streamWriter.Flush();
                    if (theString == "exit")
                        break;
                }

                streamReader.Close();
                streamWriter.Close();
                networkStream.Close();


            }
            socketForClient.Close();
            //Console.WriteLine("Press any key to exit from server program");
            //Console.ReadKey();
        }

        public void AppendTextBox( string theString)
        {
            //string text = txt_Stream.Text.ToString();
            //theString = text + System.Environment.NewLine + theString;
            if (InvokeRequired)
            {
                this.Invoke(new Action<string>(AppendTextBox), new object[] { theString });
                return;
            }

            this.lbl_BayNo.Text = theString.ToString();
        }

        public void AppendDispIPLabel(string ipDispaddress)
        {
            //string text = txt_Stream.Text.ToString();
            //theString = text + System.Environment.NewLine + theString;
            if (InvokeRequired)
            {
                this.Invoke(new Action<string>(AppendDispIPLabel), new object[] { ipDispaddress });
                return;
            }
            this.lbl_DisplayAddress.Text = ipDispaddress.ToString();
            
        }
                public void AppendIPLabel(string ipaddress)
                {
                    //string text = txt_Stream.Text.ToString();
                    //theString = text + System.Environment.NewLine + theString;
                    if (InvokeRequired)
                    {
                        this.Invoke(new Action<string>(AppendIPLabel), new object[] { ipaddress });
                        return;
                    }
                    this.lbl_ConnectedDeviceId.Text = ipaddress.ToString();

                }





    }
}