private static string CurrencyConvert(decimal amount, string fromCurrency, string toCurrency)
    {
        try
        {
            //Grab your values and build your Web Request to the API
            string apiURL = String.Format("https://www.google.com/finance/converter?a={0}&from={1}&to={2}&meta={3}", amount, fromCurrency, toCurrency, Guid.NewGuid().ToString());

            //Make your Web Request and grab the results
            var request = WebRequest.Create(apiURL);

            //Get the Response
            StreamReader streamReader = new StreamReader(request.GetResponse().GetResponseStream(), System.Text.Encoding.ASCII);

            //Grab your converted value (ie 2.45 USD)
            String temp = streamReader.ReadToEnd().ToString();
            int pFrom = temp.IndexOf("<span class=bld>")   + ("<span class=bld>").Length;
            int pTo = temp.LastIndexOf("</span>");

            System.Windows.MessageBox.Show(pFrom.ToString() + "  " + pTo.ToString());
            String result = temp.Substring(pFrom, pTo - pFrom);

          //  string result = Regex.Matches(streamReader.ReadToEnd(), "<span class="?bld"?>([^<]+)</span>")[0].Groups[1].Value;

            //Get the Result
            return result;
        }
        catch(Exception ex )
        {
            return "";
        }
    }