Generate XML file

  private void btnCreateXML_Click(object sender, EventArgs e)
        {
            XmlDocument doc = new XmlDocument();
            doc.LoadXml("<xml version=\"1.0\" encoding=\"utf-8\" />");
   
            XmlElement newElem = doc.CreateElement("price");
            newElem.InnerText = "10.95";
            doc.DocumentElement.AppendChild(newElem);

            XmlElement childElem1 = doc.CreateElement("Item1");
            doc.DocumentElement.AppendChild(childElem1);

            XmlElement childElem2 = doc.CreateElement("Item2");
            doc.DocumentElement.AppendChild(childElem2);
            doc.Save("test.xml");

            lblMessage.Text = "Generate xml file sucessfully!";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            XmlDocument doc = new XmlDocument();
            doc.LoadXml("<book>" +
                        "  <title>Oberon's Legacy</title>" +
                        "  <price>5.95</price>" +
                        "</book>");

            // Create a new element node.
            XmlNode newElem = doc.CreateNode("element", "pages", "");
            newElem.InnerText = "";

            Console.WriteLine("Add the new element to the document...");
            XmlElement root = doc.DocumentElement;
            root.AppendChild(newElem);

            XmlNode newElem1 = doc.CreateNode("element", "pages", "");
            newElem1.InnerText = "";


            newElem.AppendChild(newElem1);

            Console.WriteLine("Display the modified XML document...");
            Console.WriteLine(doc.OuterXml);
        }