Parse XML file with XDocument

using System;//  j  a  v  a 2 s.c o m
using System.Collections;
using System.Collections.Generic;
using System.IO;

using System.Linq;
using System.Text;
using System.Data.Linq;
using System.Reflection;
using System.Xml;
using System.Xml.Linq;

class Program {
    static void Main(string[] args) {
        XmlReader reader = XmlReader.Create("Employee.xml");
        XDocument xml = XDocument.Load(reader);
        Console.WriteLine(xml);

        XElement idperson = xml.Descendants("idP").Last();
        idperson.Add(new XElement("idperson",
                        new XAttribute("id", 1),
                        new XAttribute("year", 2006),
                        new XAttribute("salary", "16")));

        StringWriter sw = new StringWriter();
        XmlWriter w = XmlWriter.Create(sw);
        xml.Save(w);
        w.Close();
        Console.WriteLine(sw.ToString());
    }
}

using System;//from   j ava2 s  .c  om
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Linq;
public class MainClass {
    public static void Main() {
        XDocument xDocument = XDocument.Load("book.xml",LoadOptions.SetBaseUri | LoadOptions.SetLineInfo);
        Console.WriteLine(xDocument);
        XElement firstName = xDocument.Descendants("FirstName").First();

        Console.WriteLine("FirstName Line:{0} Position:{1}",((IXmlLineInfo)firstName).LineNumber,((IXmlLineInfo)firstName).LinePosition);
        Console.WriteLine("FirstName Base URI:{0}", firstName.BaseUri);

    }
}