using System;

using System.IO;

using System.Xml;

using System.Text;

​

 public class Sample

 {

   private const string m_Document = "sampledata.xml";

​

   public static void Main() {

​

        var stream = new MemoryStream();

​

        XmlWriterSettings settings = new XmlWriterSettings();

        settings.Indent = true;

        XmlDocument doc = new XmlDocument(); 

        XmlWriter writer = doc.CreateNavigator().AppendChild();

​

        writer.WriteComment("sample XML fragment");

​

        // Write an element (this one is the root).

        writer.WriteStartElement("book");

​

        // Write the namespace declaration.

        writer.WriteAttributeString("xmlns", "bk", null, "urn:samples");

​

        // Write the genre attribute.

        writer.WriteAttributeString("genre", "novel");

​

        // Write the title.

        writer.WriteStartElement("title");

        writer.WriteString("The Handmaid's Tale");

        writer.WriteEndElement();

​

        // Write the price.

        writer.WriteElementString("price", "19.95");

​

        // Lookup the prefix and write the ISBN element.

        string prefix = writer.LookupPrefix("urn:samples");

        Console.WriteLine(prefix);

        writer.WriteStartElement(prefix, "ISBN", "urn:samples");

        writer.WriteString("1-861003-78");

        writer.WriteEndElement();

​

        // Write the style element (shows a different way to handle prefixes).

        writer.WriteElementString("style", "urn:samples", "hardcover");

​

        // Write the close tag for the root element.

        writer.WriteEndElement();

​

        // Write the XML to file and close the writer.

        writer.Flush();

        writer.Close();

       Console.WriteLine(doc.OuterXml);

   }

 }