xml_rpc_ping.cs

// I have ping list like Wordpress, and I'm getting it from db.
// string[] listToPing = dtGetPingList.Rows[0]["pinglist"].ToString().Split(',');
private void sendPings(string[] listToPing)
{
    for (int i = 0; i < listToPing.Count; i++)
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(listToPing[i].ToString());
        request.Method = "POST";
        request.ContentType = "text/xml";

        Stream stream = (Stream)request.GetRequestStream();

        using (XmlTextWriter xml = new XmlTextWriter(stream, Encoding.UTF8))
        {
            xml.WriteStartDocument();
            xml.WriteStartElement("methodCall");
            xml.WriteElementString("methodName", "weblogUpdates.ping");
            xml.WriteStartElement("params");
            xml.WriteStartElement("param");
            xml.WriteElementString("value", sitename);
            xml.WriteEndElement();
            xml.WriteStartElement("param");
            xml.WriteElementString("value", siteaddress);
            xml.WriteEndElement();
            xml.WriteEndElement();
            xml.WriteEndElement();
            xml.Close();
        }
        
        try
        {
            using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
            {
                using (StreamReader sr = new StreamReader(response.GetResponseStream()))
                {
                    string result = sr.ReadToEnd();
                    sr.Close();
                }
                response.Close();
            }
        }
        catch (Exception ex)
        {
            string error = ex.Message;
        }
    }
}