Download webpage from URL

public static string DownloadWebPage(string url)
{
    var webRequestObject = (HttpWebRequest)WebRequest.Create(url);

    webRequestObject.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.1; rv:2.2) Gecko/20110201";
    webRequestObject.Referer = "http://www.google.com";

    try
    {
        var response = webRequestObject.GetResponse();
        var webStream = response.GetResponseStream();

        if (webStream != null)
        {
            var reader = new StreamReader(webStream);
            var pageContent = reader.ReadToEnd();

            reader.Close();
            webStream.Close();
            response.Close();

            return pageContent;
        }

        return string.Empty;

    }
    catch (Exception)
    {
        return string.Empty;
    }
}