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Editorial Team
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Asked: 2026-05-22T20:32:47+00:00

There are times that the recByte will fail to receive response even though the

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There are times that the recByte will fail to receive response even though the server
did reply because the server wasn’t fast enough. Which if happened I use

catch (System.IO.IOException ioe)

to prevent the error, but are there possible alternatives that allow the client to wait a bit longer?
I did try

clientStream.ReadTimeout = 20000;

but it didn’t work

TcpClient Client = new TcpClient();
Client.Connect(ipaddress, portnum);

NetworkStream clientStream = Client.GetStream();

byte[] buffer = themessagetosent;
clientStream.Write(buffer, 0, buffer.Length);

byte[] recByte = theresponse;
clientStream.Read(recByte, 0, recByte.Length);
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1 Answer

  1. Editorial Team

    You need to increase timeout for the tcpClient, not for the stream. Also, probably want to increase timeout for both send and receive, and probably to more than just 2 sec.

    var client = new TcpClient { SendTimeout = 10000, ReceiveTimeout = 10000 };

    I believe if you look at inner exception in IOException, you will see SocketException inside. Look at error code to find out what exactly is happening.

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