HTML и C#

 // Create a request for the URL.            
 WebRequest request = WebRequest.Create("http://www.myUrl.com");
 
// Get the response stream from the server
 HttpWebResponse response = (HttpWebResponse)request.GetResponse();
 
 // Get the stream containing content returned by the server.   
        Stream dataStream = response.GetResponseStream();
        // Open the stream using a StreamReader for easy access.   
        StreamReader reader = new StreamReader(dataStream);
        // Read the content.   
        string responseFromServer = reader.ReadToEnd();
 //reads the html into an html document to enable parsing   
        IHTMLDocument2 doc = new HTMLDocumentClass();
        doc.write(new object[] { responseFromServer });
        doc.close();
 
// Once all html is loaded in to document, you can loop through all elements and check for meta tags
 
        foreach (IHTMLElement element in (IHTMLElementCollection)doc.all)
        {
            if (element.tagName == "META")
            {
                HTMLMetaElement meta = (HTMLMetaElement)element;
                Response.Write("Content " + meta.content + "<br/>");
            }
        }

Response.Write("Content " + meta.content + "<br/>");

static void Main(string[] args)
        {
            String url = "http://www.codeproject.com/KB/recipes/MetaTagParser.aspx";
            HttpWebRequest httpWReq = (HttpWebRequest)WebRequest.Create(url);
            HttpWebResponse httpWResp = (HttpWebResponse)httpWReq.GetResponse();
            StreamReader reader = new StreamReader(httpWResp.GetResponseStream());
 
            HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
            doc.LoadHtml(reader.ReadToEnd());
            foreach (HtmlAgilityPack.HtmlNode node in doc.DocumentNode.SelectNodes("/html/head/meta"))
            {
                if (node.Attributes.Contains("name"))
                    Console.WriteLine("name = " + node.Attributes["name"].Value);
                if (node.Attributes.Contains("content"))
                    Console.WriteLine("content = " + node.Attributes["content"].Value);
            }
        }