//Read Data From this website : http://csharp.net-informations.com/xml/how-to-read-xml.htm

//http://dotnetqueries.com/Article/158/how-to-read-data-from-xml-file-in-c

using System;

using System.Data;

using System.Xml;

using System.IO;

using System.Net;

using HtmlAgilityPack;

using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

     HtmlDocument someDoc = new HtmlDocument();

            someDoc.Load("https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/patent/WO-9100508-A1/XML/");

​

            foreach (HtmlNode nodeRss in someDoc.DocumentNode.SelectNodes("rss"))

            {

                //get attribute of a node:

                Console.WriteLine(nodeRss.Attributes["version"].Value);

​

                //get more nodes:

                foreach (HtmlNode aNode2 in nodeRss.SelectNodes("channel"))

                {

                    //get count of child nodes

                    Console.WriteLine(aNode2.ChildNodes.Count());

​

                    //get deeper nodes

                    foreach (HtmlNode aNode3 in aNode2.SelectNodes("item"))

                    {

                        //get the content of a node:

                        Console.WriteLine(aNode3.SelectSingleNode("title").InnerText);

​

                        //get the content of a node w/ a URL:

                        Console.WriteLine(aNode3.SelectSingleNode("link").NextSibling.InnerText);

​

                        //get content of a node w/ ":"

                        Console.WriteLine(aNode3.SelectSingleNode(".//*[name()='wp:status']").InnerText);

​

                        //some html content:

                        Console.WriteLine(aNode3.SelectSingleNode(".//*[name()='content:encoded']").InnerHtml.Replace("![CDATA[", "").Replace("]]", ""));

                    }

                }

            }

​

            Console.ReadLine();

        }

​

    }

​