Sunday, 22 December 2013

How to Get User IP address in ASP.NET using C#/VB.NET

Hi Friends, in this article I will explain about How to Get User IP address in ASP.NET using C#/VB.NET.
In 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 GetIpAddress : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write(getIPAddress());
    }
    public static string getIPAddress()
    {
        string ip = string.Empty;
    ip = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
        if (!string.IsNullOrEmpty(ip))
        {
            string[] ipRange = ip.Split(',');
            int le = ipRange.Length - 1;
            string trueIP = ipRange[le];
        }
        else
        {
            // ip = Request.ServerVariables("REMOTE_ADDR");
            ip = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
        }

       return "Your IP is: " + ip;       
    }

}
In VB.NET:
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls

Partial Public Class GetIpAddress
    Inherits System.Web.UI.Page
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        Response.Write(getIPAddress())
    End Sub
    Public Shared Function getIPAddress() As String
        Dim ip As String = String.Empty
        ip = HttpContext.Current.Request.ServerVariables("HTTP_X_FORWARDED_FOR")
        If Not String.IsNullOrEmpty(ip) Then
            Dim ipRange As String() = ip.Split(","c)
            Dim le As Integer = ipRange.Length - 1
            Dim trueIP As String = ipRange(le)
        Else
            ' ip = Request.ServerVariables("REMOTE_ADDR");
            ip = HttpContext.Current.Request.ServerVariables("REMOTE_ADDR")
        End If

        Return "Your IP is: " & ip
    End Function

End Class

The Output of the above code will show the IP Address.




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