C# Geolocation - GoogleMaps API

GeoLocation.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Net;
using System.Xml.Linq;
using System.Xml.Serialization;

namespace ConsoleApplication2
{
    class Program
    {
        //static string baseUri = "http://maps.googleapis.com/maps/api/" +
        //                        "geocode/xml?latlng={0},{1}&sensor=false";
        
        static string baseUri = "http://maps.googleapis.com/maps/api/" +
                                "geocode/xml?address={0}+{1}+{2}&sensor=false";

        static void Main(string[] args)
        {
            //RetrieveFormatedAddress("51.962146", "7.602304");
            //RetrieveFormatedAddress("32.054727", "34.770838");
            RetrieveFormatedAddress("hertsel","91","tel aviv");


            Console.ReadLine();
        }

        public static void RetrieveFormatedAddress(string lat, string lng,string lng2)
        {
            string requestUri = string.Format(baseUri, lat, lng,lng2);

            using (WebClient wc = new WebClient())
            {
                wc.DownloadStringCompleted +=
                  new DownloadStringCompletedEventHandler(wc_DownloadStringCompleted);
                wc.DownloadStringAsync(new Uri(requestUri));
            }
        }

        static void wc_DownloadStringCompleted(object sender,
                       DownloadStringCompletedEventArgs e)
        {            

            var xmlElm = XElement.Parse(e.Result);

            var status = (from elm in xmlElm.Descendants()
                          where elm.Name == "status"
                          select elm).FirstOrDefault();
            if (status.Value.ToLower() == "ok")
            {
                var res = (from elm in xmlElm.Descendants()
                           where elm.Name == "location"
                           select elm).ToList();
                for (int i = 0; i < res.Count; ++i)
                {
                   Console.WriteLine(res[i]);
                }
            }
            else
            {
                Console.WriteLine("No Address Found");
            }
        }
    }
}