using System;

using System.IO;

using System.Xml;

using System.Xml.Linq;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Ejemplo BaseUri\n");

        OrdenCompra compra = new OrdenCompra();

        XElement po = XElement.Load(@".\" + compra.Ocompra, LoadOptions.SetBaseUri | LoadOptions.SetLineInfo);  

        string[] splitUri = po.BaseUri.Split('/');  

        Console.WriteLine("BaseUri: {0}", splitUri[splitUri.Length-1]);  

        Console.WriteLine();  

        Console.WriteLine("{0}{1}{2}", "Element Name".PadRight(20),   "Line".PadRight(5),   "Position");  

        Console.WriteLine("{0}{1}{2}", "------------".PadRight(20), "----".PadRight(5),  "--------");  

        foreach (XElement e in po.DescendantsAndSelf())  

            //Console.WriteLine("{0}{1}{2}", ("".PadRight(e.Ancestors().Count() * 2) + e.Name).PadRight(20), ((IXmlLineInfo)e).LineNumber.ToString().PadRight(5), ((IXmlLineInfo)e).LinePosition);

            Console.WriteLine("{0}{1}{2}", ("".PadRight(e.Ancestors().Count() * 2) + e.Name).PadRight(20), ((IXmlLineInfo)e).LineNumber.ToString().PadRight(5), ((IXmlLineInfo)e).LinePosition);

    }

}

public class OrdenCompra

{

    private string ocompra = "PurchaseOrder.xml";

    public OrdenCompra()

    {

        LoadInfo();

    }

    public string Ocompra

    {

        get{return this.ocompra;}

    }

    private void LoadInfo()

    {

        File.WriteAllText(@".\" + this.Ocompra ,@"<?xml version='1.0'?>  

                          <PurchaseOrder PurchaseOrderNumber='99503' OrderDate='1999-10-20'>  

                            <Address Type='Shipping'>  

                                <Name>Ellen Adams</Name>  

                                <Street>123 Maple Street</Street>  

                                <City>Mill Valley</City>  

                                <State>CA</State>  

                                <Zip>10999</Zip>  

                                <Country>USA</Country>  

                            </Address>  

                            <Address Type='Billing'>  

                                <Name>Tai Yee</Name>  

                                <Street>8 Oak Avenue</Street>  

                                <City>Old Town</City>  

                                <State>PA</State>  

                                <Zip>95819</Zip>  

                                <Country>USA</Country>  

                            </Address>  

                            <DeliveryNotes>Please leave packages in shed by driveway.</DeliveryNotes>  

                            <Items>  

                                <Item PartNumber='872-AA'>  

                                <ProductName>Lawnmower</ProductName>  

                                <Quantity>1</Quantity>  

                                <USPrice>148.95</USPrice>  

                                <Comment>Confirm this is electric</Comment>  

                             </Item>  

                                <Item PartNumber='926-AA'>  

                                <ProductName>Baby Monitor</ProductName>  

                                <Quantity>2</Quantity>  

                                <USPrice>39.98</USPrice>  

                                <ShipDate>1999-05-21</ShipDate>  

                            </Item>  

                        </Items>  

                    </PurchaseOrder>");     

    }

}