HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();
// There are various options, set as needed
htmlDoc.OptionFixNestedTags=true;
// filePath is a path to a file containing the html
htmlDoc.Load(filePath);
// Use: htmlDoc.LoadHtml(xmlString); to load from a string (was htmlDoc.LoadXML(xmlString)
// ParseErrors is an ArrayList containing any errors from the Load statement
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any parse errors as required
}
else
{
if (htmlDoc.DocumentNode != null)
{
HtmlAgilityPack.HtmlNode bodyNode = htmlDoc.DocumentNode.SelectSingleNode("//body");
if (bodyNode != null)
{
// Do something with bodyNode
}
}
}
using System;
using System.Net;
using System.Web;
using System.Web.Services;
using System.Web.Script.Services;
using System.Text.RegularExpressions;
using HtmlAgilityPack;
namespace GetMetaData
{
/// <summary>
/// Summary description for MetaDataWebService
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
[System.Web.Script.Services.ScriptService]
public class MetaDataWebService: System.Web.Services.WebService
{
[WebMethod]
[ScriptMethod(UseHttpGet = false)]
public MetaData GetMetaData(string url)
{
MetaData objMetaData = new MetaData();
//Get Title
WebClient client = new WebClient();
string sourceUrl = client.DownloadString(url);
objMetaData.PageTitle = Regex.Match(sourceUrl, @
"\<title\b[^>]*\>\s*(?<Title>[\s\S]*?)\</title\>", RegexOptions.IgnoreCase).Groups["Title"].Value;
//Method to get Meta Tags
objMetaData.MetaDescription = GetMetaDescription(url);
return objMetaData;
}
private string GetMetaDescription(string url)
{
string description = string.Empty;
//Get Meta Tags
var webGet = new HtmlWeb();
var document = webGet.Load(url);
var metaTags = document.DocumentNode.SelectNodes("//meta");
if (metaTags != null)
{
foreach(var tag in metaTags)
{
if (tag.Attributes["name"] != null && tag.Attributes["content"] != null && tag.Attributes["name"].Value.ToLower() == "description")
{
description = tag.Attributes["content"].Value;
}
}
}
else
{
description = string.Empty;
}
return description;
}
}
}
// From File
var doc = new HtmlDocument();
doc.Load(filePath);
// From String
var doc = new HtmlDocument();
doc.LoadHtml(html);
// From Web
var url = "http://html-agility-pack.net/";
var web = new HtmlWeb();
var doc = web.Load(url);