// @nuget: HtmlAgilityPack

​

using System;

using System.Xml;

using HtmlAgilityPack;

public class Program

{

    public static void Main()

    { 

        var html = @"https://econstructionmart.com/";

​

        HtmlWeb web = new HtmlWeb();

​

        var htmlDoc = web.Load(html);

​

        var htmlNodes = htmlDoc.DocumentNode.SelectNodes("//body/input");

​

        if(htmlNodes!=null){

            foreach (var node in htmlNodes)

            {               

                Console.WriteLine(node.OuterHtml);              

            }

        }

        else{

            Console.WriteLine("Oh OK.");    

        }

        //Console.WriteLine("Node Name: " + node.Name + "\n" + node.OuterHtml);

    }

}

​