Парсинг: цикл для поиска следующего элемента - C#

var request = WebRequest.Create("http://www.cyprusjobs.com/index.php?module_page=my_jobs&jobs_step=jobs_job_list");
using (var responses = request.GetResponse())
{
    using (var streams = responses.GetResponseStream())
    using (var readers = new StreamReader(streams))
    {
        string html = readers.ReadToEnd();
        var UpdExp = new Regex(@"index.php?module_page=my_jobs&jobs_step=jobs_details&job_jobs_id=(?<upd>\d+)");
        string upDate = UpdExp.Match(html).Groups["upd"].Value;
 
        //da.InsertCommand = new SqlCommand("INSERT INTO tblContacts VALUES(@FIRSTNAME, @lastname)", cs);
        //da.InsertCommand.Parameters.Add("@FIRSTNAME", SqlDbType.VarChar).Value = upDate;
    }
}