[.net] Problems sending data from windows CE

TcpClient client = new TcpClient(ip, port);
NetworkStream ns = client.GetStream();

StreamWriter sw = new StreamWriter(ns);
StreamReader sr = new StreamReader(ns);


int len = Int32.Parse(textBox1.Text);

sw.WriteLine(len); // write the number of chars in the string to recieve.
sw.WriteLine(getData(len)); // get a random string of length len and send it. 
sw.Flush();


ns.Close();
client.Close();

// s is a tcpclient from an acceptance

NetworkStream ns = s.GetStream();
StreamReader sr = new StreamReader(ns);
StreamWriter sw = new StreamWriter(ns);

int bytes = Int32.Parse(sr.ReadLine());
            
string allData = sr.ReadLine();

if (allData.Length == bytes)
{
	Console.WriteLine("OK - Received " + allData.Length + " bytes");
} else {
	 Console.WriteLine("ERROR - Received " + allData.Length + " bytes");
}

sw.Flush();
ns.close();
client.close();