I've been programming in VB.NET 2005, 2008 and now 2010 for almost 2 years. Just casual little applications, nothing big.In this project I need to parse links from a web page, it doesn't quite work though, it parses the names only and no links.I'll give you my code, let's say for a random page:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
TextBox1.Multiline = True
WebBrowser1.Navigate("http:www.buyfixuse.com")
[code]....
If I activate this function in my application instead of links to the two blog posts on that website, it only gives out the text that is related to these links - (more...)
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 HREF..
I didn't like the fact that I had to use the MSHTML stuff (cause I think IE uses it also, and we all know that IE sucks :) ) and that I had to add code the make it work.Don't want to start a browser-war thread so neglect my last remark.Is there a different (/better) approach of parsing html-pages in VB.Net.Basically what I'm trying to do is get all the links (<a> tags) and embeds (<object> tag) on a page.
I have used examples from threads here on how to open and convert word documents to html in order to parse them. I got it all working great using the office interop library but used an example word document with some text in it and it worked fine. Now with actual word documents that I need to parse that come in all types of formatting and irregular formats I got it to convert to html all fine. But the actual html when looking at it does not make sense and I am not sure how to parse this. for example:
I'm just curious as to how some software programs that I see out there have the ability to extract links & text from thousands of web pages at an extremely high and fast rate. Has anyone here, ever created a link or text extracting program the has the ability to parse many webpages and return data into a textbox? I know how to extract links via the webbrowser control, but it doesn't seem to parse/extract data at a very high & fast rate like many email, link & text extracting programs that I see out there.
I certain html page contains links that are displayed with each onclick event. I am unable to parse the html for the url that will follow these onlick links. If this is the source on the page, how do I capture the content that each onclick link displays. In other words for example:
[Code]....
Now this is the onclick link that will display some content which I need to capture. Basically I want to be able to activate the onclick event from a program to display and capture the url links from that specific page.
I need to parse an xml document from twitter selecting certain nodes and placing the value in variables.I get an error...Conversion from string "user/screen_name" to type 'Integer' is not valid. Parsing XML is out of my league.
Now the only problem which will be a simple fix is a retweet doesn't display correctly because the nodes are different so I'll just add a If then to see if it is a retweet then adjust the nodes accordingly.
I'm looking for an efficient means of extracting an html "fragment" from an html document. My first implementation of this used the Html Agility Pack. This appeared to be a reasonable way to attack this problem, until I started running the extraction on large html documents - performance was very poor for something so trivial (I'm guessing due to the amount of time it was taking to parse the entire document).[code]...
I'm trying to get all <A> and <IMG> tags from the webresponse I got from [URL]. Basically Im trying to get a collection of all links and images in an html string.
When investigating effective methods of documenting our VB .NET project, by experimentation I discovered that I can make a comment like'See the file at file://path_to_file and I can then ctrl-click on this link to bring up the file in a new tab. Is this feature and perhaps other capabilities of Visual Studio comments documented anywhere? I would like to make a system of documentation consisting of an html pages that link to code, and vice versa.
I am trying to pull a set of html elements from a webpages to copy all the links on the page and toss them into a richtextbox.The tags are <a href "I need everything inside the quotes"but for the life of me I cannot figure out of to work the line of code to accomplish this..
I'm having some trouble putting the pieces together.First of all, I'm currently using the WebBrowser component, but would be plenty happy with HtmlAgilityPack if it had some decent documentation, but for a newbie as VB.Net, it's a rough road.
What I'd like to do is grab all the h3's with the "this-class" class and stash them into an array (one in each array element).I'd then like to search through each one and see which has "And Another Title" - which I already have the code to do... I just don't know how to do the first bit.
Imports System.Web Imports System.Net Imports System.Net.ServicePointManager Public Class GetSource Function GetHtml(ByVal strPage As String) As String tryAgain:
[Code]...
What I got here is a vb.net code where I parse the website for its html This function works fine. The question is this...
1.If I run 100 threads with this function at the same time, Will it work?
2.Won't it affect my internet connection as well?
I don't want to waste time creating threads and codes a hundred times so if you know the answer please advice me on what should I do instead
So the following code will return the version number which currently is 6.59 which is what I'm after. [Code] But then i remembered that releases are done as following: 6.59, 6.59b, 6.59c, 6.60, 6.60b etc. So when the b version of 6.59 is released the parser will still return 6.59. So how can i make this code better?
I need to parse a web page for blocks that contain open trouble tickets. The web page display several unresolved tickets and each one is inside a html divison labeled "issue-status". I've written the following code which does find the blocks, but when I try to parse its children to get its element fields (date opened, person requesting, history...) it instead pulls every element from the web page, not just the children.Is there a way to just parse the sub-fields under a particular DIV?
Code: Dim theElementCollection As HtmlElementCollection Dim strResult As String = ""
I'm a PHP/MySQL/HTML guy, but in the course of my work, I sometimes have to delve into Gatesland.I am working in VS2005 developing reports, and occasionally I have to write some custom code. This code is in (I believe) VB.NET. I avoid this as much as possible. It is my belief that if you have to use custom code in a report, you're doing something wrong with the DB, or with your query.Now, my boss (for reasons unknown) is storing data in the database as HTML. This data is historical, having a month and a dollar amount, and comes in a form like this:[code]I know this breaks even 1NF. I did not design the database. I simply must suffer under it's schema. See, the developer did this so that he could just read in a field, and dump it straight out to an echo/print statement when forming up the HTML. Unfortunately for me (the report developer), HTML shows up as verbose text if I dump it out as a field in a text field in a VS2005. So, I need to strip out he HTML tags, and replace them with appropriate values.
I am first trying to strip out the <th> data, and print it out with appropriate line feeds and carriage returns. This is the code I am trying to use:[code]Now, far from doing what I intend it to do, it simply returns the jubilent result "#Error". Wonderful. I'm sure the client will be happy.There must be some simple syntax errors or something going on there, but I am nowhere near an expert with VB.NET. I've used VBA extensively, but last time I used it was about 3 years ago. I'm hoping I can cash in some of that positive rep I've got, and get some much needed help in the dark wilderness of Microsoftia
I Have a folder that gets a lot of html files dumped into it I have to read each file and parse it to extract information. What I need is to be able to load the html into a HTMLDocument, but I'm having trouble.. here's my code so far..
I have saved some HTML pages from the web...now i want to parse some specific data. I mean I want to retrieve some specific part from the HTMl page using VB/C# code. How do I go about it? I am using this code to read the html file..All i want to do now is to save the specifications to the DATABASE.
1. How do i select the specifications and display them in a ListBox??
what i am looking to do is Parse this webpage [URL]...and pull out certain pieces like
@ScriptManifest(authors = { "ZMSP" }, keywords = "Crafting", name = "ZMSP's Battlestaff Maker", version = 1.00,description = "Makes Battlestaff.")pull out
[Code]...
how would i go about doin this putting those in a textbox and then putting the entire script into a richtextbox or anything really.this is the program so far so u can get an idea what im doing.
