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Html Agility Pack - Knowledge Base (KB)

102 results for: in tag: .net

Selecting attribute values with html Agility Pack

I'm trying to retrieve a specific image from a html document, using html agility pack and this xpath:...//div[@id='topslot']/a/img/@src ...As far as I can see, it finds the src-attribute, but it returns the img-tag. Why is that?...I would expect the Inner...
.net c# html-agility-pack xpath
asked by Vegar

HtmlAgilityPack selecting childNodes not as expected

I am attempting to use the HtmlAgilityPack library to parse some links in a page, but I am not seeing the results I would expect from the methods. In the following I have a HtmlNodeCollection of links. For each link I want to check if there is an image n...
.net asp.net c# html-agility-pack xpath
asked by Sheff

Html Agility Pack - Parsing <li>

I want to scrape a list of facts from simple website. Each one of the facts is enclosed in a ...<li>... tag. How would I do this using Html Agility Pack? Is there a better approach?...The only things enclosed in ...<li>... tags are the facts and nothing e...
.net c# html-agility-pack html-parsing
asked by Fatal510

Is the Html Agility Pack still the best .NET HTML parser?

Html Agility Pack... was given as the answer to a ...StackOverflow question... some time ago, is it still the best option? What other options should be considered? Is there something more lightweight?
.net c# html html-agility-pack parsing
asked by Ian Ringrose

Question about Encodings: How can I output from HtmlAgilityPack to a StringWriter and keep the encoding?

I am reading html in with HtmlAgilityPack, editing it, then outputting it to a StreamWriter. The HtmlAgilityPack Encoding is Latin1, and the StreamWriter is UnicdeEncoding....I am losing some characters in the conversion, and I do not want to be....I don...
.net c# encoding html-agility-pack
asked by Alex Baranosky

Grabbing meta-tags and comments using HTML Agility Pack

I've looked for tutorials on using HTML Agility Pack as it seems to do everything I want it to do but it seems that for such a powerful tool there is little noise about it on the Internet....I am writing a simple method that will retrieve any given tag ba...
.net c# html-agility-pack html-parsing
asked by AlexT

HTML Agility Pack

I want to parse the html table using html agility pack. I want to extract only some predefined column data from the table....But I am new to parsing and html agility pack and I have tried but I don't know how to use the html agility pack for my need....If...
.net c# html-agility-pack html-parsing winforms
asked by Harikrishna

If Html File Has No Ending "/tr" Tag OR "/td" Tag Then HTML Agility Pack Does Not Read That Information Perfectly

I am using HTML Agility Pack to parse html content. I am using parsing to extract table information. It works. But if there is no ending "/tr" tag or "/td" tag then it does not parse that information perfectly.(in which there is no ending tr tag or td tag...
.net c# html-agility-pack parsing winforms
asked by Harikrishna

Can I use Html Agility Pack To Parse HTML Fragment?

Can Html Agility Pack be used to parse an html string fragment?...Such As:...var fragment = "<b>Some code </b>"; ...Then extract all ...<b>... tags? All the examples I seen so far have been loading like html documents.
.net c# html-agility-pack
asked by chobo2

Direct Descendants with html agility pack

I have a specific html node and i want to get the 2nd aka last direct descendant. So after writing ....Descendants("div")... i wrote ...ls.Last().... I actually got the last div in the 2nd descendant. Not what i am expecting. How do i get only the direct ...
.net html-agility-pack
asked by user34537

Cannot convert type 'string' to 'HtmlAgilityPack.HtmlDocument'?

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using HtmlAgilityPack; namespace sss { public class Downloader { WebClient client = new WebClient(); public HtmlDocument Find...
.net c# html-agility-pack
asked by Sergio Tapia

HTML Agility Pack Fix <li> list order

I have been trying to use the HTML Agility Pack to parse HTML into valid XHTML to go into a larger XML file. This for the most part works however lists become formatted like:...<ul> <li>item1 <li>item2 </li></li> </ul> ...As oppose to what I w...
.net c# html html-agility-pack
asked by PeteT

Get first and second cell of every HTML table row

I'm trying to get just some specific cells in each row using HTMLAgilityPack....foreach (HtmlNode row in ContentNode.SelectNodes("descendant::tr")) { //Do something to first cell //Do something to second cell } ...There are more cells, and each ce...
.net html-agility-pack xpath
asked by peirix

Using BrowserSession and HtmlAgilityPack to login to Facebook through .NET

I'm trying to use Rohit Agarwal's ...BrowserSession... class together with HtmlAgilityPack to login to and subsequently navigate around Facebook....I've previously managed doing the same by writing my own HttpWebRequest's. However, it then only works when...
.net c# cookies html-agility-pack
asked by Karsa Olong

XPath problem, getting "expression must evaluate to a node-set." error

I'm having trouble retrieving a single node by its explicit XPath that I have already found by other ways. I have ...node... and I can get its XPath, but when I try to retrieve that same node again this time via node.XPath it gives the "expression must e...
.net c# html-agility-pack node-set xpath
asked by Snives

HTML Agility Pack - Can only load xml document from file system, not from web

I've used HAP successfully before, downloading xhtml pages from web. However, now I'm trying to load and parse xml documents. HAP will only load xml documents that are located on my file system, "C:\xml\MyXml.xml" for instance. It will not load it from we...
.net c# html-agility-pack scrape
asked by Buginator

HTTP Protocol violation when downloading webpage using HtmlAgilityPack

I'm trying to parse download pages from www.mediafire.com, but i really often get a ...System.Net.WebException... with the following message, when i try to load a page to a ...HtmlDocument...:...The server committed a protocol violation. Section=Respons...
.net c# html-agility-pack system.net.webexception
asked by Flagbug

How to get img/src or a/hrefs using Html Agility Pack?

I want to use the HTML agility pack to parse image and href links from a HTML page,but I just don't know much about XML or XPath.Though having looking up help documents in many web sites,I just can't solve the problem.In addition,I use C# in VisualStudio ...
.net c# html html-agility-pack html-parsing
asked by iShow

Removing element by class name with HTMLAgilityPack c#

I'm using the html agility pack to read the contents of my html document into a string etc. After this is done, I would like to remove certian elements in that content by their class, however I am stumbling upon a problem....My Html looks like this:...<di...
.net c# html-agility-pack xpath xslt
asked by Dave

parsing links and tables using VB.net HTML AgilityPack

I'm trying to do some screen scraping, and discovered the HTML AgilityPack, but am having some trouble figuring out how to use it with VB.net....The first thing I want to do is find the URL string for an HREF tag if I know the text that is enclosed in the...
.net html-agility-pack vb.net
asked by Avi

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