Материал из .Net Framework эксперт
Deferred Execution of the XML Tree Construction by Using the XStreamingElement Class
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() {
string[] names = { "J", "P", "G", "P" };
XStreamingElement xNames =
new XStreamingElement("B",
from n in names
select new XStreamingElement("Name", n));
names[3] = "R";
Console.WriteLine(xNames);
}
}