Monday 25 March 2013

Get the Private/Local IP Address of Your Machine Using C#.Net


Get the Private/Local IP Address of Your Machine Using C#.Net


Here is how you can get the Local IP Address of your machine using ASP.NET...


<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Local IP</title>
    
<script type="text/javascript">

     window.onload = function () {
        var script = document.createElement("script");
        script.type = "text/javascript";
        script.src = "http://jsonip.appspot.com/?callback=DisplayIP";
        document.getElementsByTagName("head")[0].appendChild(script);
    };
    function DisplayIP(response) {
        document.getElementById("ipaddress").innerHTML = "Your Public IP Address is " + response.ip;
    } 

</script>
    
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label1" runat="server"></asp:Label>
        <br />
        <br />
        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
        <span id = "ipaddress"></span>
    </div>
    </form>
</body>
</html>

Code-Behind:


using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net;
using System.Net.NetworkInformation;

public partial class LocalIpAddress : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
        {
            if (ni.NetworkInterfaceType == NetworkInterfaceType.Wireless80211 || ni.NetworkInterfaceType == NetworkInterfaceType.Ethernet)
            {
                Console.WriteLine(ni.Name);
                foreach (UnicastIPAddressInformation ip in ni.GetIPProperties().UnicastAddresses)
                {
                    if (ip.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                    {
                       Label1.Text=ip.Address.ToString();
                    }
                }
            }
        }
    }
}

2 comments:

  1. for windows forms


    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Net;
    using System.Management;


    namespace WindowsFormsApplication2
    {
    public partial class Form1 : Form
    {
    public Form1()
    {
    InitializeComponent();
    GetIP();
    }
    string GetIP()
    {
    string strHostName = "";
    strHostName = System.Net.Dns.GetHostName();
    IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(strHostName);
    IPAddress[] addr = ipEntry.AddressList;
    label1.Text = addr[addr.Length - 1].ToString();
    return addr[addr.Length - 1].ToString();
    }
    }
    }

    ReplyDelete

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