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.
View 1 Repliesmy webbrowser navigates to a webpage. I need to store all the links into a collection, I did find the code to do the job (on this forum) and it works, but there is a problem: there are more links on the page than those the code reads, like when i right click on a picture and choose "copy shortcut" I get a link that is not showing when I display the "view source" for the entire page. I can't figure out how to do it.
View 3 RepliesHow would I get a collection of links inside certain divs only?
For Each div As HtmlElement In divs
If div.GetAttribute("className") = "SPECIFIC DIV" Then
LinkCol = get collection of links inside "SPECIFIC DIV"
End If
Next
I have this code to take links from a page
CODE:
But how would i also get the links name?
<div style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size:12px; background-image: initial; background-attachment: initial; background-origin:
initial; background-clip: initial; background-color: #ffffff; margin: 8px;" mce_style="color:
#000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; background-
[code].....
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'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...)
There have probablly be thousands of threads just like mine[code]...
View 1 RepliesWhen 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.
View 1 RepliesI'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..
View 1 RepliesI was able to grab all the links in that html code but I was wondering how do I can grab the the links under the "Common fruits". how to get grab
<html>
<td id="item_menu" class="line" valign="top" width="100%">
<a class="nopd" target="mainly" href="http://myfruits/aboutfruits.html">About fruits</a>
[code].....
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..
View 2 RepliesI tried using it and to get it to work I had to add some code to my project:
Public Enum HRESULT
S_OK = 0
S_FALSE = 1
E_NOTIMPL = &H80004001[code].....
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'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.
[Code]...
I'm trying to write a function that can retrieve all the links from a webpage. I'd like to send only a string containing the URL. Basically, given a string of a URL, I'd like to "load" that into an HTMLDocument so I can access the Links collection. I just can't figure out that part.I've already written the function by using the Document in a WebBrowser. But, after selecting a link, I'd like to get its links, and so, and so on....while the user is still browsing the first page.
View 4 RepliesI am using this to download the source code from a web site but it is not downloading all the links:
With Form2.RichTextBox1
Dim instance As New Net.WebClient
Dim aAddress As Uri = Me.WebBrowser1.Url
.Text = instance.DownloadString(aAddress)
End With
If I right click with the mouse on the site and view page source the links are there but for some reason download string is missing them.
I want to dynamically convert html file or html string to PDF in Windows Forms application.
View 3 RepliesI have a Windows Application, where I can sending mails (htmls). I have the next function to sen mails:Public Shared Function MandarMensaje(ByVal from As String, ByVal para As String, ByVal subject As String, ByVal body As String) As String..In "body" i put the code of the html, and the function works ok, but I want to the html include images that are in a folder next to the html, for this reason I want to include the images changing the code of the html for include the images there, I have listened something about use "mime" BUt I don't know if it is the correct way.
View 5 RepliesOk you know how our web browsers like Internet Explorer or FireFox has the option to "Save Page As". Is there a way to do this using the Web Browser Control? I wish to save the HTML + Images that are displayed in my Web Browser Within my application. Or say if I go to a website and they have a dynamic image that keeps Changing is there a way to save that image that is displayed on the Web Browser control?
View 6 RepliesI want to copy an HTML file from one location to another using VB.net. When i use any of the three FileCopy, System.IO.File.Copy, My.Computer.FileSystem.CopyFile it copies only the file and not the "filename_files" folder which contain its associated images and scripts.
What i want to do programatically is copy a.html to another location as b.html
when i do that and open b.html it opens it without any images and scripts.
I have got a problem with the regex pattern. I couldn't be able to extract the id in the images tags from the html source when I find the matches pattern that I selected on the listview items. [code] It have found the matches with the html tags, but it doesn't extract the id from the images tags. [code] Do anyone know how I can extract the id in the images tags from the html source?
View 15 Repliesi have an app, and i want to add a string into a collection in my.settings.'there is a collection: My.Settings.items
My.settings.items.add("string")
'this gives a nullreferenceexception
Dim selected() as string = {"string")
My.settings.items.addrange(selected)
'also a nullreferenceexception so, it turns out you can't do anything.how do I add the "string" into "items"?
I am trying to convert a collection to a string. When I am done, it should look like String() = {"File1.Tif", "File2.Tif", "File3.tif", "MergeTiffImages.Tif}. Here is what I have so far.
Dim FileArray(0) As String
Dim Count1 As Integer
Count1 = 0
For Each k In S
ReDim Preserve FileArray(Count1)
FileArray(Count1) = """" & k & """"
Count1 = Count1 + 1
Next
FileArray(Count1) = """MergedTiffFile.Tif"""
I am getting the error "Index was outside the bounds of the array." because FileArray is a string and not an array.
heres my situation and what i need done, will follow with code that sort of works
1. read a text file into a string2. for each word in string, append word to collection3. sort collection and remove duplicates4. check collection against existing collection and remove found items5 output final collection to text file
heres the code i have now, it inputs text to rich text box, replaces spaces with enter's and exports to text file, the reads file line by line to a collection and sortes and removes duplcates but takes way to long, mises words, locks up, ....it would also be helpful to remove all numbers and puntuation (anything not a-z)
[Code].....
I have a collection of strings that I got from splitting another string. I now need to get each value of the collection into seperate strings.[code]...
View 8 Repliesi have a string = "/a/value1/x/valueforx/b/value2/c/value3"
the keys a, b, and c can be in any order in the string that is coming in and will always be separated by a slash.
What i need to do is to find a, b, c and then add their values to a collection
I'm building flat file content from collections of strings.
Example collection: A, B, C, D, E, etc.
I want to be able to output these values to a string with line feeds in one swoop with Linq if possible.[cod]e...
How can i check if a string collection is empty? I tried
VB.NET
My.Settings.IPBank.Count = 0
But it said
Quote:
Object reference not set to an instance of an object.
I have a question. I have a class of Cars that I need to display in a simpli-ish string if they will be sold or not base on their number.
[Code]...
I'd like to display a simple string like this:Cars to be sold: 1, 3-5, 7-8, 11, which is based of the .Sell value.Is there some kind of heuristic to create this kind of string in .NET or is it just a bunch of for/each and if/then and redimming of arrays?
I'm sure you've all seen this a lot before (in a variety of forms) but I think (hope) it's a bit different. <Not actual names of variables>I have two forms (form1 and form2). Form1 has 2 class-level variables, a string (m_String) and a collection(colCollection).Inside form1, the collection is loaded using a key. With an if-statement, the collection is matched to input (from a combobox) through the matching key.The chosen string from the collection is then passed to the m_String (confirmed with MessageBox.Show(m_String)
View 5 Replies