How To Find Specific Data Within Webpage Source
Jun 27, 2009
I'm building a vb project using vb 2008 and I am trying to get a specific data from the source of a webpage. I am now trying to have the vb project access the below source of the webpage [URL] and retrieve the word "Dublin" from the code from the following line:
</tr><tr><td class="s7 li ou"><a href="dorf1.php?newdid=106467">Dublin</a></td>
The word "Dublin" should be stored in the string villagename1 (I will use that string several times later in the project) and it should at NO time open a IE page as to make it as invisible as possible.
Webpage Source:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL]">
<html><head> <title>Travian uk5</title>
<meta http-equiv="cache-control" content="max-age=0" />
<meta http-equiv="pragma" content="no-cache" />
[Code] .....
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Sep 7, 2009
I am working on a task in which I have to download all flash objects swf and flv files running in web page. I have got no clue to find he source of .swf file, as mostly swf files comes from other servers. I want to find out some way to find the source / url of .swf currently running. Kindly suggest me some way.
I have 2 ideas in mind, but currently unsuccessful in implementing them
1. Using WebBrowser class and somehow find url of swf.
2. Using Pcap to fetch all http packets and after decoding, some how try to find url coming.
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Aug 10, 2011
I have a VB.Net app which scans the Outlook Inbox for specific emails with specific subject lines and adds the details to a listview. One of my beta testers received this error yesterday:
|+--JDMils|+--VB6 & XL VBA+--VB Dot Net 2K8|
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Aug 21, 2010
I wanted to ask you something which is bugging me for a while. I work an IT dept at a local bank and I got instructions to make an application which should retrieve some financial info from a financial banking stats page.
The webpage can be accessed through[URL] and the info can be seen in the web browser but I cannot extract them because the info is not available in the source code of the page.It seems it's generating the info dynamically using a jsquery.js file.
I was wondering if it's possible to make an app which uses some cache or something (I guess the the page is saved temporary somewhere on the disk for the current session) to retrieve that data in vb.net?
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Aug 21, 2010
I wanted to ask you something which is bugging me for a while. I work an IT dept at a local bank and I got instructions to make an application which should retrieve some financial info from a financial banking stats page.
The webpage can be accessed through [URL].. and the info can be seen in the web browser but I cannot extract them because the info is not available in the source code of the page.It seems it's generating the info dynamically using a jsquery.js file.
I was wondering if it's possible to make an app which uses some cache or something (I guess the the page is saved temporary somewhere on the disk for the current session) to retrieve that data in vb.net?
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Oct 28, 2009
My program so far reads a certain webpage's source code and places it in a textbox. This much has already been accomplished.
Now I need to pick certain strings out of the rather large amount of text data and have the lines stored in variables, but the trick of it is, the exact string is unknown. The exact function should be, that the code finds certain tags from the source code, say <td> and </td> and takes the string data in between those tags, what ever it may be.
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Dec 8, 2010
I have used .NET and ShDocVw for years to grab data off webpages without any issues I couldn't overcome. This website has me beat though. It seems like such as easy task to grab the titles and other information off a library search page, but I can't see the data to be able to grab it. Usually, I just look in the DOM, but the data wasn't there. I did a view source, but the data wasn't there.
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Jun 8, 2009
I've got a form - CMCConsole It pops up a dialog form for adding a new case.If the matter number in a textbox on that dialog form matches an existing cases matter number I would like to find it in the binding source of the CMCConsole form
Private Function CheckMatter(ByVal MtrNum As String) As Boolean
Dim cfIndex As Integer = CMCConsole.caseBS.Find("MatterNumber", MtrNum)
Dim cfIndex2 As Integer = CMCConsole.casefileBS.Find("MatterNumber", MtrNum)
[code]....
But it appear the filter for the CASE we were just on that is set on the binding source is keeping the FIND from seeing other cases.
caseBS.Filter = "CaseId=" & e.Node.Tag.ToString
Do I have to clear the filter in order to find a matter number in some other case??
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Jun 17, 2010
So i am able to use the function to get a webpages source, however when i messagebox it out, its not the same as if i go to a normal browser, and go to "view source"
[Code]...
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Nov 6, 2010
I know that .NET has several classes to do that, but sometimes I need to download a webpage that requires login, like a forum. I do not want users to fill in their sername/password in my application, because I know I'll get a lot of complaints about that. WinInet handles cookies automatically (if the user is logged in with Internet Explorer), but WebClient, HttpWebRequest and WebRequest don't.In my VB6 application I show a messagebox, telling the user that the webpage can't be downloaded the 'normal' way, but if they want, that the application can still download the webpage if they are logged in with IE.This is the VB6 code slightly modified. It works fine until it gets to the line:
vb.net
iResult = InternetReadFile(hInternet, sBuffer, BUFFER_LEN, lReturn)
I think something is wrong with the InternetReadFile declaration.
[code]....
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Dec 8, 2010
I'm looking for a way to "pick out" a url string from a webpages source. The source always has a unique identifier for the url. Here is the complete line from the webpages source where the url appears.
[Code]...
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Mar 24, 2010
Been working on a Web Browser in VB 2008 Express, and so far things have been going good. I have run into a little problem though. I have a menu bar at the top of the browser as normal and one of the items selects is "View" and then under that "Page Source".
Now, i have added the following code and it works as expected but one problem. When the box opens to display the web page source it has no scroll bars, minimize or maximize buttons to manipulate the page.
Private Sub PageSourceToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PageSourceToolStripMenuItem.Click
Dim pagelSource As String = WebBrowser1.DocumentText
MsgBox(Me.WebBrowser1.DocumentText)
End Sub
I think the problem is that I am using "MsgBox" . Would there be a better way to do this?
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Mar 2, 2012
I would like to read the (Any)webpage source(Not using StreamReader) even if the webpage loads inside iFrame.
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Jul 18, 2010
how can I extract the source code of a web page and to save it into a text file -- I would like to have a VB code to do the same?
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Jun 6, 2011
Basically I am building a webcrawler and in order to do so
I have to extract the page source of a webpage which I can do so like this:
CODE:
The above code works fine on most of the websites I have tried to extract page source from but for some reason it is failing to extract the html contents of few websites like these where the message posted by a user is nowhere to be seen? The webpage in question is this: [URL]
Is there something I have missed or is it due to forum protection etc which is preventing the vb application from extracting the whole page source?
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May 18, 2009
I need to be able to find a piece of the webpage source. It always starts the same, but as a random number behind it.
So sometimes it could be...
Example.com/123345
And Sometimes...
Example.com/098765
But will always start the same. I only need part of the source, not all.
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Oct 24, 2009
How to get source/HTML code of the web page that is shown in WebBrowser1 when I click a button? I would like it to be written in Notepad or eventually in new form..
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Nov 19, 2009
I am working on an app that requires searching the source code for a printer's web page for some information. I have used several methods to retrieve the source code (WebClient.DownloadString, HttpWebRequest.GetResponse) and in all cases recover only a portion of the web page. I can use View Source on the webpage and it is a 14K file, but using the VB functions I only get 5K of it. In these cases the data stops just prior to a <div class="tabBox"> tag containing data specific to the printer. I have also added code to pause the app, thinking that maybe it needed time for the page to complete before returning the code. Any ideas what I need to do to get the whole page?
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Oct 6, 2009
i wanted to know if there was a couple lines of code you could use to open the source code of a website (like you could in notepad), into a textbox in visual basic.
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Nov 21, 2011
I am trying to read product caracteristics from the source code of my supplier web page and store in my database. The code i created is just to show me the characteristics in a messagebox then i will store them in my DB. But i get an error in the If atrname.Count <> atrvalue.Count Then since values did not match titles count.[code]...
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Dec 18, 2009
Ok I was wondering how can I grab the source code from webbrowser1. The problem is that I cant find this line of code in the source code. I cant only find it if I highlight what I want and do a right click and look for the source code. I heard is was like a hidden part of the source code. How canI implement that in my program?
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Feb 10, 2012
I refreshed my data sources to include additional items from the SQL Server databases and it appears that my entire data source from my VB.NET project disappeared.I am using Entity Framework. I may have clicked on something wrong, not quite sure. Unfortunately I can't recreate the Data Source without creating a new Entity and Data Model.I can delete the entry in the App.Config file and recreated it, however things aren't quite right.Is there a way that I can recreate my Data Source from the entry that is in my App.Config file...since that appears to have remained intact.BTW, I can go to my Data Model and successfully refresh from there, however my project isn't connecting to the database so I have quite a number of errors until I can get reconnected.
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Feb 20, 2011
I am trying to find a specific file in a specific directory and then i need to get the full path of the file.Is this possible i cant find any help topics about a specific file.
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Jul 7, 2011
How to go about extracting user comments on likes of forums by using the page source.[code]...
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Jun 20, 2008
I want to get the links and images from an html code using the htmlDocument class available through webBrowser.So I retrieved and assigned the html code to the webBrowser trying each one of this 3
[Code]...
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Mar 10, 2011
I'm trying to read the soruce code of a web page. Specifically an ebay page which shows sold items which have been paid for [URL]
I can read the page source ok but I get the source code of the login page. obviously reading it into a text box does not give me the option to login. how I can get the correct source code
heres the code
Code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Request As System.Net.HttpWebRequest =
[Code].....
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Nov 15, 2009
I am trying to create a program which does something similar to a function in excel but with increased functionality. What I need to know for this is how to get the program to search a webpage's source code for a specific string and unfortunately I have no idea how to even begin going about this.
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Nov 5, 2010
i try to read the source code of a web page but i have problem.When i use View Source from IE or FireFox i see all the code of the page.I try to take the code into a txt file with .NET 2005 Visual Basic because i have to read 900 pages.
the code i use
Dim myPageInfoPageURL As String
Dim myPageInfoPageResult As String
Dim myPageInfoPageHTTPWRQ As HttpWebRequest
[code]....
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Feb 23, 2012
i have a code that will get a certain line from the html source of a webpage.
HTML
<div class="clientticketreply">Still testing</div>
And Regex Pattern:
"<div class=" & Chr(34) & "clientticketreply" & Chr(34) & ">(.*?)<"
[Code].....
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Oct 7, 2011
I need to get some parts of the source code (mainly product characteristics) from the web site and insert in my database:I need to get some parts of the source code in my db, which are the product characteristics and the it contains its value
Example of what i need is :
</div>
<div class="clear"></div>
[code].....
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