Windows 8 app how to connect to Socket server

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C#

Windows

sockets

i have done a server using this example How To Use the SocketAsyncEventArgs Class[^]

in visual studio 2010 and .net 4.0.

Now i'm trying to connect to it from a windows 8 app using StreamSocket but i'm getting a "Acces denied" message.
here is the Client code:

private StreamSocket streamSocket;
        public string Server = "192.168.0.101";
        public int Port = 9900;

        public async void Connect()
        {
            streamSocket = new StreamSocket();
            Connect();
            try
            {
                await streamSocket.ConnectAsync(
                    new Windows.Networking.HostName(Server),
                    Port.ToString()); // getting Acces Denied here

                DataReader reader = new DataReader(streamSocket.InputStream);
                reader.InputStreamOptions = InputStreamOptions.Partial;
                while (true)
                {
                    var bytesAvailable = await reader.LoadAsync(1000);
                    var byteArray = new byte[bytesAvailable];
                    reader.ReadBytes(byteArray);

                }
            }
            catch (Exception e)
            {
                MessageBox(e.StackTrace);
            }
        }

How to fix the problem? Is there another way to send and receive messages?

Thanks,