using System;
using System.Linq;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass{
public static void Main(){
XNamespace aw = "http://www.domain.com";
XNamespace fc = "www.yourDomain.com";
XDocument root = new XDocument(
new XDeclaration("1.0", "utf-8", "yes"),
new XElement(aw + "Root",
new XElement(fc + "Child",
new XElement(aw + "DifferentChild", "other content")
)
)
);
Console.WriteLine(root);
}
}