TCP/Ip error 10061

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C#

Hi everyone,

need to know what trigger this error.Im using windows application and web services for the socket program. Already disable the firewall. and got another application that connect to the same ip and port but the app still run as expected.

here my code :

using (CS.CommunicationServiceClient client = new CommunicationTest.CS.CommunicationServiceClient())
            {
                client.Open();
                string data = data_connect;
                data = data.ToUpper();
                string IP = txtIP.Text;
                int PORT = Int32.Parse(txtPort.Text);

                client.Send(IP, PORT, data);
                System.Threading.Thread.Sleep(1000);
                client.Close();
            }