How to get/show current IP Address in asp.net c#

In this article, how to get/show current IP address in asp.net c# on page load.

Code behind(C#)

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class ipaddress : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        string currentipaddress;

        currentipaddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];

        if (currentipaddress == "" || currentipaddress == null)

        {

            currentipaddress = Request.ServerVariables["REMOTE_ADDR"];

            ipaddressresult.Text = currentipaddress;

        }

    }

}

Out-Put:-