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C# Tutorial – TCP/IP Client Server | FoxLearn studio c technology



Create a simple chat TCP/IP Client Server C# Application Development Windows Forms. The C# Basics beginner course is a free c# tutorial series that helps beginning programmers learn the basics of the c# programming language

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Through this video you will learn the following topics:

Create Simple TCP chat application c# or using c# TCP Server for simple chat or multiple client server chat program in c#

c# simple tcp client
c# tcp server
c# send tcp message
tcp listener c# example
socket programming in c# example client server
c# client server application tcp ip port c# socket programming
make a simple c# chat application
how to make a chat app in c# client server
Simple TCP/IP library for fast C# networking
How to make a chat program in c# network programming
C# Very simple TCP/IP connection framework
Simple TCP [client/serveur] application c# socket server
Network Programming in C#, TcpClient using visual studio c# tutorial .

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C# Tutorial -  TCP/IP Client Server | FoxLearn

C# Tutorial – TCP/IP Client Server | FoxLearn

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C# Tutorial – TCP/IP Client Server | FoxLearn
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41 thoughts on “C# Tutorial – TCP/IP Client Server | FoxLearn studio c technology”

  1. I don't know how to put this. ip fails when writing address string or long we can't use both at the same time

    (in the rope we wrote "." sign gives error )

    System.FormatException: 'Giriş dizesi doğru biçimde değildi.'

  2. help me:
    "An unhandled exception of type 'System.FormatException' occurred in mscorlib.dll
    Additional information: Input string was not in a correct format."

  3. Hello Fox Learn, I have taken your code to create a plotter from an external app and I was wondering if you have any idea of the speed of reaction of this TCP server module? My external module is supposed to send me data every 200ms and I am getting this :
    20:34:31.008 20:34:31.185 20:34:31.384 20:34:31.588 20:34:31.798
    20:34:32.018 20:34:32.178 20:34:32.398 20:34:32.605 20:34:32.818
    20:34:33.018 20:34:33.188 20:34:33.409 20:34:33.588 20:34:33.808
    20:34:33.988 20:34:34.204 20:34:34.378 20:34:34.585 20:34:34.808
    20:34:35.008 20:34:35.198 20:34:35.413 20:34:35.628 20:34:35.778
    20:34:36.008 20:34:36.198 20:34:36.398 20:34:36.618 20:34:36.798
    Strangely, it is not a little delay that builds up so it may not be a problem with the client but with the very moment in which the timestamp is displayed… Sorry but I want to figure that out.

  4. I've got a question not exactly about the client/server itself, but more as a follow-up. My server is fairly lightweight and I'd like to set it up on my personal PC for a time being. However even though I opened specific ports it needs to work, it's still not visible from the outside (obvsly if client is on the same machine as the server, it works without problems).
    Do you by any chance have any possible suggestions regarding this issue ? Everything remotely helpful is appreciated 🙂

  5. Hello Fox Learn,
    Thank you for this tutorial since it helped me a lot to my TCP project. Here's another question :
    How can we create the same kind of little program with 2 TCP ports? Thanks in advance.

  6. I am using .NetCore in WPF and on my screen is says:"CS1660 Cannot convert anonymous method to type 'MethodInvoker' because it is not a delegate type". It´s in the method Server_DataReceived. Can anyone help me?

  7. Hello! I have a problem with the app. If I try to connect with friends, the app freezes and gives the error: "A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond". Can you help me please? Thanks!

  8. SimpleTcpServer is not found and ServerData_Received isn't in any context so the autocreation at 5:14 doesn't happen. Help?
    Edit: I figured it out. Incase anyone else struggled with this here:
    SimpleTcpServer only works when you use the suggested shortcut with the weird symbol next to it.
    ServerData_Received is when you type server. (then take the shortcut suggestion) DataReceived then directly next to it type += AND don't press space! Instead PRESS TAB.
    Edit 2: So i finished everything and got some help from the comments with appearing the text, but afterwards a few seconds, it spams the message like crazy. "You said hi you said hi you said hi you said hi you said hi…" Anyone know what might be causing this?

  9. 어유… 안되는사람 이렇게 해봐요
    IPAddress ip = IPAddress.Parse(txtBox1.Text);

    server.Start(ip, Convert.ToInt32(txtBox2.Text));
    프로그램은 거짓말을 하지 않습니다.

  10. Hello,
    Thanks Fox Learn for this nice video with step by step explanation. Very clear!
    Does someone has an idea of the reason why on the block
    private void Form1_Load(object sender, EventArgs e)
    does not work for me? It says 0 reference. At this point, I put all the 4 server lines in public Form1() block just after InitializeComponent(); and it works.
    This Form1_Load should be called somewhere, right?

  11. If I try to connect with my public IPV4 address I get the error
    System.Net.Sockets.SocketException: 'The requested address is not valid in its context'
    in line 43 of the server app

    private void btnStart_Click(object sender, EventArgs e)

    {

    txtStatus.Text += "Server Starting…";

    System.Net.IPAddress ip = System.Net.IPAddress.Parse(txtHost.Text);

    server.Start(ip, Convert.ToInt32(txtPort.Text));

    }

    How do I fix this so that I can connect to other computers?

  12. how to fix in btnSend_click
    client.WriteLineAndGetReply(txtMessage.Text, TimeSpan.FromSeconds(3));
    System.Exception: 'Cannot send data to a null TcpClient (check to see if Connect was called)'

  13. if the code for SimpleTCP doesnt work, make sure to add using SimpleTCP.Server; and replace SimpleTcpServer with SimpleTCP.SimpleTcpServer

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