using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
public static void Main() {
XNamespace nameSpace = "http://www.navioo.com";
XElement xBooks =
new XElement(nameSpace + "Books",
new XAttribute(XNamespace.Xmlns + "linqdev", nameSpace),
new XElement(nameSpace + "BookParticipant"));
Console.WriteLine(xBooks.ToString());
}
}