// @nuget: HtmlAgilityPack

using System;

using HtmlAgilityPack;

using System.Collections.Generic;

using System.Web;

using System.Text;

using System.Linq;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        var url = "https://www.mescoursescasino.fr/ecommerce/affichageCatalog/WE38560/C-155117-fromages-bio";

        var web = new HtmlWeb();

        var htmlDoc = web.Load(url);

        var node = htmlDoc.DocumentNode.SelectSingleNode("//body");

        string result = node.WriteContentTo();

        Console.WriteLine(result);

    }

​

}