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protected void Page_Load(object sender, EventArgs e)
            byte[] data = new byte[1024];
            IPEndPoint ip = new IPEndPoint(IPAddress.Parse(""), 10006);

            Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

            string welcome = "Hello";
            data = Encoding.ASCII.GetBytes(welcome);
            server.SendTo(data, data.Length, SocketFlags.None, ip);

            IPEndPoint sender11 = new IPEndPoint(IPAddress.Parse(""), 10009);
           // IPEndPoint sender11 = (IPEndPoint)ClientID
            EndPoint tmpRemote = (EndPoint)sender11;

            data = new byte[1024];
            int receivedDataLength = server.ReceiveFrom(data, ref tmpRemote);

            Response.Write(Encoding.ASCII.GetString(data, 0, receivedDataLength));

how to solve this error

thanks in advance....
Updated 25-Oct-13 19:58pm
Which line causes this exception and what is the scenario?
teja sai ravi 26-Oct-13 2:23am    
thanks for ur reply...error coming in
int receivedDataLength = server.ReceiveFrom(data, ref tmpRemote);
i want send and receive data from among different users connected in a LAN

1 solution

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teja sai ravi 26-Oct-13 2:48am    
thanks for ur reply can u guide how to write code for message sending and receiving by udp's i new to this udp concepts please help me

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