Csharp/C Sharp by API/System.Xml.Linq/XNamespace

XNamespace.Xmlns

  
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.nfex.ru";
        XElement xBooks =
        new XElement(nameSpace + "Books",
          new XAttribute(XNamespace.Xmlns + "linqdev", nameSpace),
        new XElement(nameSpace + "BookParticipant"));
        Console.WriteLine(xBooks.ToString());
    }
}