C# Program to Implement UDP

This C# Program Implements UDP. Here name of the employee is entered in the client side window and the job the specified employee is displayed.

Here is source code of the C# Program to Implement UDP. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

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/*
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 * C# Program to Implement UDP
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 */
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//SERVER SIDE PROGRAM
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using System;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Configuration;
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class EmployeeUDPServer
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{
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    public static void Main()
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    {
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        UdpClient udpc = new UdpClient(2055);

        Console.WriteLine("Server started, servicing on port 2055");

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        IPEndPoint ep = null;
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        while (true)
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        {
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            byte[] rdata = udpc.Receive(ref ep);

            string name = Encoding.ASCII.GetString(rdata);

            string job = ConfigurationSettings.AppSettings[name];

            if (job == null) job = "No such employee";

            byte[] sdata = Encoding.ASCII.GetBytes(job);

            udpc.Send(sdata, sdata.Length, ep);

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        }
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    }
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}//XML CODING
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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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  <appSettings>
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    <add key = "mickey" value="manager"/>

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    <add key = "bob" value="tester"/>
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    <add key = "tom" value="clerk"/>
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    <add key = "jerry" value="manager"/>

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  </appSettings>
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</configuration>
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//CLIENT SIDE PROGRAM
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using System;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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class EmployeeUDPClient
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{
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    public static void Main(string[] args)

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    {
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        UdpClient udpc = new UdpClient("Win7-PC", 2055);

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        IPEndPoint ep = null;
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        while (true)
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        {
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            Console.Write("Name: ");
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            string name = Console.ReadLine();

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            if (name == "") break;
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            byte[] sdata = Encoding.ASCII.GetBytes(name);

            udpc.Send(sdata, sdata.Length);

            byte[] rdata = udpc.Receive(ref ep);

            string job = Encoding.ASCII.GetString(rdata);

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            Console.WriteLine(job);
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        }
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    }
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}
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Here is the output of the C# Program:

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