Code for Geting the client Ip Address

1) First Way to get the client Ip Address in asp.net with C#
string ip;

ip = 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"];
        }
       Response.Write(ip);
        Response.Write(Request.UserHostAddress);


2)Second Way to Get the client up address in asp.net with C#


        string strHostName = System.Net.Dns.GetHostName();
        string clientIPAddress = System.Net.Dns.GetHostAddresses(strHostName).GetValue(0).ToString();
        Response.Write(clientIPAddress);