Send File By TcpClient generate SocketException

Question

 

Code Snippet

private void SendFile(string address)
        {
            TcpClient tClient = new TcpClient(new IPEndPoint(IPAddress.Loopback , TcpPort));

                //  Generate SocketException

                //  No connection could be made because the target machine actively refused it

                tClient.Connect(IPAddress.Loopback , TcpPort);  // ErrorCode=10061

                NetworkStream sendNetStm = tClient.GetStream();

                FileStream sendFileStm = new FileStream(address, FileMode.Open);

                byte[] buffer = new byte[256];
                  int count;

                while ((count = sendFileStm.Read(buffer, 0, buffer.Length)) != 0)
                {
                    sendNetStm.Write(buffer, 0, count);
                }

                sendFileStm.Close();
                   tClient.Close();
         }

 

Why?How to solve?

Answer 1

What's the exception?!  We're not psychic... :-,)  Where does it occur (what's its stack trace)?

 

However, you should probably change the first line to be TcpClient tClient = new TcpClient();

I presume you have another application listening on port TcpPort, maybe a TcpListener of your own in another program...?

Answer 2

Thanks for your reply,I'v been edit the thread,please help me,and I can't speak English,but I'm learning.

Answer 3

Err...  Did you change

   TcpClient tClient = new TcpClient(new IPEndPoint(IPAddress.Loopback , TcpPort));

to

    TcpClient tClient = new TcpClient();

 

Do you still get an exception?  Which exception?  SocketException, ArgumentException?  What line?