/HAP43229.cs Secret

## HAP43229.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HtmlAgilityPack;

namespace HAP43229
{
    class Program
    {

        static string getHtmlSnippet()
        {
            // malformed html
            return @"<!doctype html>
                <html><head>Hello World!</head>
                <body>
                    <div data-group='01'>
                        <div>
                        <input name='prename'>
                        <input name='surname'>
                        </section>
                    </div>
                    <div data-group='02'>
                        <input name='projectname'>
                    </div>
                </body></html>";
        }


        static void Main(string[] args)
        {
            var html = new HtmlDocument();
            html.LoadHtml(getHtmlSnippet());
            var body = html.DocumentNode.SelectSingleNode("//body");
            var groups = html.DocumentNode.SelectNodes("//*[@data-group]");
            // swap the two groups:
            body.ChildNodes.Clear();
            groups.Reverse().ToList().ForEach((group) => body.AppendChild(group));
            var inputs = html.DocumentNode.SelectNodes("//*[@name]"); // OutOfMemoryException
        }
    }
}
	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using HtmlAgilityPack;

	namespace HAP43229
	{
	class Program
	{

	static string getHtmlSnippet()
	{
	// malformed html
	return @"<!doctype html>
	<html><head>Hello World!</head>
	<body>
	<div data-group='01'>
	<div>
	<input name='prename'>
	<input name='surname'>
	</section>
	</div>
	<div data-group='02'>
	<input name='projectname'>
	</div>
	</body></html>";
	}


	static void Main(string[] args)
	{
	var html = new HtmlDocument();
	html.LoadHtml(getHtmlSnippet());
	var body = html.DocumentNode.SelectSingleNode("//body");
	var groups = html.DocumentNode.SelectNodes("//*[@data-group]");
	// swap the two groups:
	body.ChildNodes.Clear();
	groups.Reverse().ToList().ForEach((group) => body.AppendChild(group));
	var inputs = html.DocumentNode.SelectNodes("//*[@name]"); // OutOfMemoryException
	}
	}
	}