Access A Secured Website Using Vb 2005 And Webbrowser Control
Jul 1, 2010
I'm trying to access a secured website using vb 2005 and webbrowser control. I've got the credentials, the script can pass the login page but when trying to navigate to the second page within, the page is being redirected back(to the first page after logging in). The second page I'm trying to get to retrieves the data from a database and displays some options for the user to select in order to prepare a report which can be downloaded after the fields selections. And I wanted my script to do this automatically without user interaction.
Public Class Form1
Private Sub TestButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TestButton.Click
Dim wb As WebBrowser = WebBrowser1
[code]....
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Jun 14, 2011
I have been trying to use the WebBrowser control to access a website, nothing fancy involved, just a Security Certificate error message I can't get around:
The site that I've been trying to access is [URL].. By clicking on the "Login" hyperlink you are taken to a https connection.Internet Explorer simply allows you to click on the "Continue to this website (not recommended)" link which displays the Logon screen.Clicking on the same link in a WebBrowser control simply reloads the page as (I assume) WebBrowser has not been told that the page is ok.
I've tried looking around for the solution with no luck, it seems like such a simple problem..
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Nov 25, 2010
I have a website that divided into 4 frames. I'm trying to create an application that will constantly run on my PC as a task looking for certain text in the HTML in a frame.When it finds the text it would alert the user by presenting a pop-up message. This is basically a monitoring website that checking network nodes. Instead of staring at the screen looking for critical messages I would like to be notified when there is an alert.
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Feb 13, 2011
I have made an app that will check to see if a website is on the 1st, 2nd, 3rd, 4th, and 5th page of google, the websites are in a datagridview. I am using five webbrowser controls but it begins to get slower and slower? As it searches for each website using a for statement. How to improve this code to make it run quicker, or even a better way to go about it.
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Sep 4, 2009
I am trying to automate login and navigation to a website using the WebBrowser control. I can successfully logon to the site using the wb control but after that I can't seem to get access to the newly loaded document's elements within the same routine. I check for ReadyState Complete and IsBusy but they don't seem to be working. There don't appear to be any frames being used at all so I can't figure out why this won't work. I know that the wb control is successfully logging in because I can see the page load in the wb control. However, after the page loads I try to access the HTMLDocument for the new page (after logging in) and it is either set to Nothing or it's the previous page's HTML. I've tried putting in a Sleep to wait for the page to finish before trying to access the HTMLDocument on the new page but it still doesn't work. If I create a button on my form that accesses the HTMLDocument and click it it works fine. I can't figure out how to ensure that the entire page has finished loading within my routine. I tried putting a switch into the DocumentCompleted event but that doesn't work either.
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Jun 3, 2009
I need my application to go to a website, press a button on the website to get data, and then get the data that it shows all without the user seeing the webbrowser control. I'm doing this for a little project. The user could normally just go to the site and press the button themselves, but that would take to long. So how do you programmatically do this?
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Feb 17, 2009
I am trying to figure out if the text from a website is visible when the page is rendered in a webbrowser control. The text I am looking for is error text that shows form field errors after a bad post submission. I've checked the source code of the html being returned and the actual html for the text i'm looking for is present before any errors are made, and after the errors are detected. is there any way i can do a sort of .visible check on html elements in a webbrowser object, or even check the css that is linked to a particular div/label/span for the visibility/display style tags?
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Dec 9, 2010
know open an xml file into a datagrid. The xml file is stored in a secured ftp with username and password. Just as an example if the site ftp.mysitesite.com, with username "xxx" and the password "XXX" has the file 123.xml, then how do I load 123 into a datagrid. Is it possible to store these info to a variable in app.Config and use that variable to access the site?
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Jun 8, 2010
I am trying to access a FTP secured site (SSL/TSL) and transfer a file in VB.Net using FTPRequest. When I try to complete the transfer I get an error back "The remote certificate is invalid according to the validation procedure". However when I connect to the same FTP site with FileZilla UI, I can transfer files with no problem. Why can do transfers with FileZilla and not in VB.Net? Does FileZilla have its own Certificate?
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Mar 15, 2010
I am using a WebBrowser-Control to fill in a webform and then click at a button, this currently results in a standard Download File Dialog (you get these if you download a file using internet explorer), but instead, I have to catch this file and save it automatically with a by me defined name to a specific folder.I am trying to code a little application in vb.net which download the Export-file from my wordpress-blog, and I want to do this completely without user-interaction.Currently everything works, except the downloading of the file.I tried to catch it with the event System.Windows.Controls.WebBrowser.Navigating(ByVal Object, ByVal System.Windows.Navigation.NavigatingCancelEventArgs) but I don't see where to download the file from?
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Jan 27, 2011
the following web.config file is placed in a specific sub-folder on a website. It will allow the user John.Doe to access the pages inside the folder but will deny anonymous users
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<system.web>
[code]....
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Feb 24, 2011
For the past couple of days I have been using Visual basic 2008 and learning it.Anyway, I am trying to make a login form that will login to a website with WebBrowser control.and I am noticing that the webbrowser is extremly slow, it takes him about 20 seconds to load a page while mozilla opens it in a moment, why is that?
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Mar 26, 2010
This is how my form design looks like: now after entering the url in the textbox,when i click the go button then the site corresponding to the url opens in the webbrowser control.
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click WebBrowser1.GoBack() End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
[Code]...
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Aug 30, 2011
In my program, when the user clicks a button, a new tab is added to my tabpage and a WebBrowser is added to the tab. I want to be able to access the WebBrowser in the tab without having to give it a name when I add it.
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Jun 19, 2009
I want to disable the on screen web browser control I have until the user clicks on a button. I tried using the designmode but then when I reference it it says it is equal to nothing. It seems to clear it down. Here is my code to show my data from the database to the browser control.[code]
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Aug 17, 2011
I have several web browser controls on my form. I don't want to have in the content any styling like font etc because this is controlled by my css in my dynamic website. However I would like to format my browser using the same css as my website so they look very similar. Is there a way to assign a css file the the web browser control in vb.net?
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Aug 17, 2009
How can I access data that WebBroswer1.navigate function is downloading from a website, while it is downloading it? If I access it once it has finished downloading it through the WebBrowser1_DocumentCompleted function, it only slows down my program, since it has to wait for the website to finish downloading to the control before I can access it.
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Apr 11, 2009
I am trying to automate the download of a .CSV file from a password protected website. This file is updated every 15 minutes, but I could get by downloading it 2-3 times a day. I would love to find a way to download this file without any user interaction.
The problem is that there is no direct URL to access the CSV file. There is a webpage with a submit button that initiates the file download. The usual File..Save As Dialog box appears, you click save and then specify the location through the second dialog box.
Looking at the source of the main webpage, I found the form containing the download button, hoping that I could simulate the POST using the HTTPRequest/Response objects, but I couldn't get them to work. The form contains three hidden variables, one of which is called "Key" with a 20 character hexadecimal string. Im assuming this key is regenerated regularly, so this may explain the constant errors I received saying "...press the back button and resubmit the previous page".
Then I decided to try the WebBrowser control. I was able to figure out how to pass the authentication through the URL and the download page appears in the browser control window. Clicking on the download button brings up the same Save As dialog as the main browser window.how to automate this process. I just need to get this csv file (which, by the way is approx 25MB) downloaded so that my scripts can use it to update our site database.
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Sep 26, 2010
Have a webbrowser in my project, and I want to be able to disable java at certain times?? how do you disable java?
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Dec 17, 2009
I am navigating to a web page with my webbrowser control
[Code]...
and this works on most pages. Now I'm going to a page that I guess there are errors in the page and I get a box asking me if I want to debut in IE's built in script debugger or something to that effect. Is there any way to have the system ignore this message and continue to load the page as normal
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May 18, 2011
I want to load some HTML into a webBrowser control, then operate a particular bit of code when it has finished loading.The code operates fine as long as I pause to wait for it to finish loading. If I just run the code without pausing, it sometimes messes up the display. webBrowser.Document Completed doesn't run after Document.write.I don't want to use webBrowser.DocumentText = "..." because that makes an annoying click sound every time it refreshes. A lot of people are annoyed by this. There are countless threads asking how to turn off the click, and using .write seems to be the only solution that doesn't require hacking the registry.
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Jul 29, 2011
I have two web browser controls on my form. I also have several buttons like bold, underline, etc. My probem is the gotfocus of the web control is not working correctly. If I click on the web browser control to add text the gotfocus is not fired. If I click on a text box first and then click in the browser control it is fired. I need to know which has focused so the bold etc know which control to work on.
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Jan 3, 2012
I am trying to access a browser control in one of my forms from a module but keep getting an error. I attached a screen capture showing the code and the error balloon. The subroutine is public, and I am addressing the browser correctly. If I copy that same code into the "Main" form, and it works perfectly.
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Aug 25, 2009
I use a webbrowser in the application. the webpage shows a picture showing an IFrame. The picture changes randomly everytime when the page is loaded.I know how to save the picture if it is not in the iframe. but how to do that when it is in iframe? very weird thing is, I can not use the
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Jun 11, 2012
I have a question about the webbrowser control that I hope someone can answer. I am working on a document retrieval and storing class that uses HTML to display and save data. I want to use the webbrowser control in winforms using VB.Net. I only want to store the fields values in the html document, not the whole document. I am hoping to use labels in html and read them with the DOM of the web browser control but am not sure how to do this.
Has anyone done this before and could someone please provide some sample code on how to do this?
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Aug 17, 2009
Is it possible to load HTML content into the HTMLDocument object without having to use the WebBrowser control? I have an html file stored locally that I want to parse in order to find out which checkboxes are on and which are off.
All of the examples I've found use the Webrowser. It just seems convoluted to have to use the WebBrowser in order to get to a DOM object.
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Feb 4, 2010
I'm attempting to populate fields in a processing webpage [URL] and having a small problem.
I can add the email and antenna heights easily but how do I manipulate a file browser (file upload) and option input boxes (Antenna Type) from within my vb app?
It might be the long way around but i'm doing it via searching each of the html elements to find the named fields I'm looking for:
Dim intWork As Integer
For intWork = 0 To WebBrowser1.Document.All.Count - 1
strWork = WebBrowser1.Document.All.Item(intWork).Name
[Code].....
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May 7, 2009
WHen we click on site whether left click or right....Control goes to IEDoc_MouseDown event,I just want to ask is that possible to know taht which element is clicked..Suppose we right click on link,is that possible to know it that link is clicked.
Public Class Form2
Dim WithEvents IEDoc As System.Windows.Forms.HtmlDocument
Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[code]....
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May 9, 2012
If you are interested, I am doing this because I do not like having to drag and drop my browser etc. I just right click the URL in Chrome and select (Play on My TV) a customized dropdown item, at which point my Player finds the TV, opens the URL, maximizes itself and plays the content
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Dec 18, 2007
How can I access the HTML source of IFrame within a page by using WebBrowser control?
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