Webbrowser Control Documentcomplete Event Not Firing When Iframe Does Not Load?
May 23, 2008
First off I hope I'm in the right forum.I have an application I built with the WebBrowser control in Visual Basic 2005. I am using the DocumentComplete event to track when a page has fully finished loading as some of the webpages I need to work with have frames.
The problem I am having is that when some iframes time out or don't load, the documentcomplete events stop firing. So if my webpage has 2 frames on it, we'd expect 3 documentcomplete events. One for each frame and one for the parent document once the frames have loaded. If say frame 2 does not load properly, the documentcomplete event for the overall document never fires.
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Nov 5, 2009
I'm making a webbrowser that automatically refreshes till a link changes, then it makes some procedures.
I know that refresh methods dont fire the documentcomplete event so what could be a solution for my situation?
I have a web site that I want to check for a html link modification, for that I need to refresh it every 30 seconds.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
WebBrowser.Navigate("www.google.com")
[Code]....
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Apr 28, 2009
My ie.documentcomplete is not firing from my installer but it works fine from my source.I don't know where i m going wrongmy working environment
For Each Me.ie In New ShellWindows
If GetForegroundWindow = ie.HWND Then
AddHandler ie.DocumentComplete, AddressOf _
[code].....
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Jun 27, 2009
Program was working fine, now all of a sudden it decides it does not want to navigate for me...It doesn't appear that either of my DocumentComplete or DownloadComplete Events are being fired when navigating to a very minimal web page.I even tried deleting the code blocks, and "re-adding" them in the IDE. no dice.This is pretty much the most important part of the whole program. arggh.what could be causing this? I tested by placing a msgbox call in the Document Complete Event. no popup*
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Jun 21, 2010
I am using a Webbrowser control to sign into Hotmail. Then once it is signed in then I'll just use this navigate code to open the inbox: I think that the problem is that the actual inbox(mail window) is within an iframe. I have to figure out how to call within the iframe. If you can goto hotmail and sign in and you'll see once your in the inbox when you view source it isn't the inbox's source but then when you right click then goto this frame then view the source to the frame it is.
[Code]...
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Mar 9, 2010
I looked all over the forum posts here and didn't see the answer to a question concerning iframes within the webbrowser control (there were similar issues however). The forum has a classifieds section that allows members to post threads daily. I have a message that I like to send once every day to a forum and decided that it would be best to achieve this programmatically. However, I noticed in the visual basic 2008 webbrowser control, that it doesn't seem to automate the iFrames within the browser using the htmlelementcollection codes.
[Code]...
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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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Feb 15, 2012
I want to find a url webbrowser control inside iframe.
1) my webbrowsercontrol opena url
2)that url has one iframe inside it
3) That Iframe has a link which I want to grab programmatically using vb.net
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Nov 21, 2011
I have two forms that I worked on separately, each has an event load button that works with a datagridview without any problem. but when I created a third form and moved the buttons on it and try to update the datagridviews on the two forms, it doesn't fire up here's my
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]...
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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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Jun 29, 2010
Sub FrmConfigurationLoad(ByVal sender As Object, ByVal e As EventArgs)
msgbox("TEST")
'load the config data from xml
'Dim doc As New XmlDocument
[code]....
The form loads and nothing happens?
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Nov 19, 2010
I'm adding multiple combobox controls to a form dynamically, but am having a problem with one of the event handlers. The first event handler I've added (for the Leave event) fires, but the second (for the TextChanged event) does not. I've tried reversing the order when adding the handlers and I get the same results (TextChanged does not fire). Here's a code snippet for adding the controls, and the code for the events. I've added a breakpoint while testing to verify - but it never hits the code.
Dim cbo As New ComboBox
cbo.Name = "cbo" & fldName
cbo.Tag = fldName.ToUpper
cbo.Top = rowtop
cbo.TabIndex = tabOrder
cbo.DropDownStyle = ComboBoxStyle.DropDown
[Code] .....
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Jul 1, 2011
I'm having a problem with a Web Control that is dynamically created and inserted in my page. I create a couple of LinkButtons, depending on the data of the search that was made, and I'm trying to add an Event Handler to each of the Buttons, so it would filter the result. The controls are initialized properly, but the event is never fired.
Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
Controls.Clear()
[code].....
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Oct 14, 2009
I'm currently working on a reporting app that saves a report to HTML, then sends it to a PDF printer.First off, to render the HTML I am using a webBrowser control:
Dim _renderer As New System.Windows.Forms.WebBrowser
To print the HTML document, I am using the WebBrowser.Print() function
_renderer.Print()
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Feb 20, 2012
I am trying to display ImageButtons dynamically, which I have been able to do. I also want an event to fire when I click on those dynamic ImageButtons. I have the dynamic controls loaded in an ArrayList. I am able to have an event fire for all of the dynamic ImageButtons in the ArrayList except the first ImageButton in the ArrayList. Here is my code below (I tried to include only the relevant code):[code]
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Jun 5, 2009
ItemCommand Event of FormView control not firing/working in ASP.Net Page
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Nov 9, 2010
I fear that there is something obviously wrong with my code, but I have come across a situation where the Form.Load event is not firing when I create and show my form. The form is not subclassed (as I've seen some problems with that in some searches), and I am not getting any errors thrown when I step through the code in the debugger.
I have a break point set on the IDE-created form load function (which does have the Handles MyBase.Load signature suffix) but the breakpoint is never reached and the form does display and work.The form is passed three arguments in the constructor but the IntializeComponent() function is called before anything else is done.
[Code]...
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Sep 7, 2009
My form load event is not running. How do I track down the coulpret?davidbell
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Nov 21, 2010
I have the following website code below [code]Basically what I want is code on
A) How to get all the HTML code from within the Iframe.
B) How to change to properties of some elements e.g. the value of input "FNN_BOX"
I have tried the following code with no success but it dose not give me the HTML code from inside the iframe "MainIFrame"
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Mar 14, 2012
I have a program Which can get the frame's content, but if it is iframe I got error, normal frame with no problem, I need to detect the frame is iframe or normal frame.... but fail...
If WebBrowser1.Document IsNot Nothing Then
Dim element = WebBrowser1.Document.GetElementByTagName("iframe")
If element IsNot Nothing Then
checkiframe = True
[Code] .....
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Feb 8, 2011
In an .aspx page with a VB.NET codebehind I am using an IFRAME which would be created inside the repeater control. Since I want to resize the IFRAME based on the content within the page I have been using the resize function obtained from here on the IFRAME onload as shown below.
<iframe id="IframeSubsectionArea" scrolling="auto" width="100%" onload="resizeIframeToFitContent(this)" runat="server">
However it is throwing an error as the method could not be found in the form. Is there any client side script variant for the onload event?
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Jan 10, 2009
I have a web browser control, what I use is:
Ret = (MainBrowser.ReadyState <> WebBrowserReadyState.Complete Or MainBrowser.IsBusy)
If ret is true, not loaded, otherwise, loaded. It works fine on winxp, however, on vista, most times, it works, sometimes, not. Do I have to use documentcomplete for this? The page is loaded from another thread, does it matter?
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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 15, 2010
I have a text file that has a list of image files. I am trying using a loop to load these files onto a webbrowser control and then print them. The code is as following:
Public Function printimages()
Dim webby As New WebBrowser
Dim sr2 As StreamReader = New StreamReader("\fileshareapplicationsattaches.txt")
[code].....
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Sep 7, 2009
How would I make it so that a messagebox loads after a page loads in a webbrowser control? Let's just make it WebBrowser1.
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Feb 21, 2011
I have a facebook iframe app I'm trying to test using a WebBrowser Control on a form in VB.NET 2010. Whenever I try to access the WebBrowser.Document.Window.Frames frame object on a document where my app is showing in the broswer, I get an Access Denined exception. Reading around on the web, I see people saying that this is to keep scripts in a document from accessing content in iframes that are pulling content from another domain, as per [URL] for security reasons.
While I totally understand why this is done for the general public, how can I disable it on my machine so that I can run these tests? I can't properly test my app without doing it in the facebook iframe and using the WebBrowser control is the only way I know to do this test programmatically. I'm on windows server 2003 and ie8, .net4.0, if that helps. I own the domain where the app is, and its in AS.NET MVC2, so if there's anything I can do to the web code to enable this??? I also removed the Internet Explorer ENhanced Security COnfiguaration component, but that didn't help.
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Feb 10, 2012
atm i have this If TreeView1.SelectedNode.Name = 2 Then WebBrowser1.Url = My.Resources.Welcome End If
and it doesn't work so if you could please provide an example that world be grate.Also i don't really know how the treeview control works, i know with the combo box or listbox you just have an index of 0, 1, 2, 3 etc. but with the treeview you don't any just one of the things i want to do is whenever the root node is selected i want it to deselect that and select the node that i specify like node.name = 2.
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Dec 28, 2011
I am trying to get the event firing when document is ready.
Public Class Form1
'Declaration
Public Event DocumentCompleted As WebBrowserDocumentCompletedEventHandler
Private Sub Main(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Dim frm As New Form1
'frm.Show()
[Code].....
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Aug 9, 2011
I am trying to put an extra event in, UpdateID and it's not firing.
[Code]...
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May 17, 2012
I have a project which has a couple of tabs on form, an usercontrol is on the 2nd tab, when the form loads, i want the load event method of the usercontrol to fire, and the message box should pop up.Please see the attach file, the message box only pop up after the form is loaded and the 2nd tab is clicked, not when just the parent form is loaded.
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