using System;

using HtmlAgilityPack;

using System.Xml;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string html = "<div class=\"outer\"><div class=\"divOne\"></div><div class=\"divContent\"><h3>SomeTitle</h3><h4>SomeSubtitle</h4><ul><li><a href=\"/someUrlx.htm\">SomeUrl</a><span> Nr of records under this url </span></li></ul></div></div>";

        HtmlDocument htmlDoc = new HtmlDocument();

        htmlDoc.LoadHtml(html);

        var regs = htmlDoc.DocumentNode.SelectSingleNode(@"//div[@class='outer']");

        var descendant = regs.Descendants()

            .Where(x => x.Name == "div" && x.Attributes["class"].Value == "divContent")

            .Select(x => x.OuterHtml);

        IEnumerable<string> listItemHtml = htmlDoc.DocumentNode.SelectNodes(

            @"//div[@class='outer']/div[@class='divContent']/ul/li")

            .Select(li => li.OuterHtml);

        foreach (string item in listItemHtml)

        {

            Console.WriteLine(item);

        }

    }

}