Get Dollar gate sample - FXP

    class Program
    {
        static void Main(string[] args)
        {
            double d = GetDollarGate();
            Console.WriteLine("One dollar is " + d + " NIS.");

        }
        static double GetDollarGate()
        {
            WebRequest request = WebRequest.Create("http://www.dollargate.net/");
            WebResponse response = request.GetResponse();
            Stream stream = response.GetResponseStream();
            string html = null;
            using (StreamReader reader = new StreamReader(stream))
            {
                html = reader.ReadToEnd();
            }
            stream.Close();

            //And now, the HTML tag containing the dollar info is <div id="dollar_2">...</div>
            int tagStart = html.IndexOf("<div id=\"dollar_2\">");
            int tagEnd = html.IndexOf("</div>", tagStart);
            int tagDeclarationLength = "<div id=\"dollar_2\">".Length;
            int tagLength = tagEnd - (tagStart + tagDeclarationLength);
            string dollar = html.Substring(tagStart + tagDeclarationLength, tagLength);
            return double.Parse(dollar);
        }
    }