Description

Traversing Backward from the Current Node

Demo

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

class Program// w  ww  .j  av  a  2  s  .c om
{
    static void Main(string[] args){
        XElement firstParticipant;
        
        //  A full document with all the bells and whistles.
        XDocument xDocument = new XDocument(
                new XDeclaration("1.0", "UTF-8", "yes"),
                new XDocumentType("Books", null, "Books.dtd", null),
                new XProcessingInstruction("BookCataloger", "out-of-print"),
                //  Notice on the next line that we are saving off a reference to the first
                //  Book element.
                new XElement("Books",
                  new XComment("Begin Of List"), firstParticipant =
                  new XElement("Book",
                    new XAttribute("type", "Author"),
                    new XElement("FirstName", "Joe"),
                    new XElement("LastName", "Ruby")),
                  new XElement("Book",
                    new XAttribute("type", "Editor"),
                    new XElement("FirstName", "PHP"),
                    new XElement("LastName", "Python")),
                  new XComment("End Of List")));
        
              foreach (XNode node in firstParticipant.NextNode.NodesBeforeSelf())
              {
                Console.WriteLine(node);
              }
    }
}

Result

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