Save and Load XML : XDocument « XML LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. XML LINQ
3. XDocument

using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
using System.Text;

    class Program
    {
        static void Main(string[] args)
        {
            XDocument xdoc = new XDocument(
                new XElement("customers",
                    new XElement("customer",
                        new XAttribute("ID", "A"),
                        new XAttribute("City", "New York"),
                        new XAttribute("Region", "North America"),
                        new XElement("order",
                            new XAttribute("Item", "Widget"),
                            new XAttribute("Price", 100)
                      ),
                      new XElement("order",
                        new XAttribute("Item", "Tire"),
                        new XAttribute("Price", 200)
                      )
                    )
                )
            );

            string xmlFileName = "e.xml";
            xdoc.Save(xmlFileName);
            XDocument xdoc2 = XDocument.Load(xmlFileName);
            Console.WriteLine(xdoc2);
        }
    }