public static void createXML (string url)
        {
            XDocument doc = new XDocument(
                new XDeclaration("1.0", "utf-8", "yes"),
                    new XElement("info",
                        new XElement("software1", null)

                    )
                );

            ManagementObjectSearcher getSoftware = new ManagementObjectSearcher("SELECT * FROM Win32_Product");
            foreach (ManagementObject item in getSoftware.Get())
            {
                try
                {
                    XElement xElement = new XElement("Item1",
                            new XElement("Name1", item["Name"])
                    );
                    doc.Descendants("software1").First().Add(xElement);
                }
                catch (ManagementException e)
                {

                }
            }

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            doc.Save(request.GetRequestStream());
            HttpWebResponse resp = request.GetResponse() as HttpWebResponse;
        }

        public static void createXML (string url)
        {
            XDocument doc = new XDocument(
                new XDeclaration("1.0", "utf-8", "yes"),
                    new XElement("info",
                        new XElement("software1", null)

                    )
                );

                    XElement xElement = new XElement("Item1",
                            new XElement("Name1", "Test1")
                    );
                    doc.Descendants("software1").First().Add(xElement);

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            doc.Save(request.GetRequestStream());
            HttpWebResponse resp = request.GetResponse() as HttpWebResponse;
        }