try
            {
                    int BytesRead = networkStream.Read(bytes, 0, (int)bytes.Length); <--- IOException
                    if (BytesRead > 0)
                        // There might be more data, so store the data received so far.
                        sb.Append(Encoding.ASCII.GetString(bytes, 0, BytesRead));
                    else
                        // All the data has arrived; put it in response.
                        ProcessDataReceived();


            }
            catch (IOException)
            {
                // All the data has arrived; put it in response.
                ProcessDataReceived();
            }