How to extract text from html by HtmlAgilityPack?

            string htmlstring ="
adsasd
";
            HtmlDocument doc = new HtmlDocument();
            doc.LoadHtml(htmlstring);
            foreach (var script in doc.DocumentNode.Descendants("script").ToArray())
                script.Remove();
            foreach (var style in doc.DocumentNode.Descendants("style").ToArray())
                style.Remove();
            string ExtractedText = doc.DocumentNode.InnerText;