WebBrowser Control Not Navigating To A Local Document?
Apr 26, 2010
I have this code set up to navigate to a certain .html document depending on what's selected from a ListBox:
Private Sub FileList_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FileList.SelectedIndexChanged
HelpWindow.Navigate(System.AppDomain.CurrentDomain.BaseDirectory & "help" & fileArray(FileList.SelectedIndex, 1))
End Sub
The problem is, when I first select something in the ListBox, it successfully navigates to that file and displays it. But when I select something a second time it doesn't change.
All of the paths it's trying to navigate to are correct. I've checked this 1000 times.
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Jan 15, 2012
Here is my code:
Dim TestHeader As String = "Referer: [URL]"
If chkRefferer.Checked = True Then
WebBrowser1.Navigate(cmbUrl.Text, False, Nothing, TestHeader)
Else
WebBrowser1.Navigate(cmbUrl.Text)
End If
Whenever I try and browse to a page with the 'TestHeader', IE opens up and goes to the page.... However, if I navigate to the same page without the additional header, it loads up fine in my webbrowser control.
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Jul 26, 2009
Why does CPU usage jump so high when a WebBrowser control is navigating to a page?Is there a way to drop CPU usage?
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Apr 17, 2012
I use the webbrowser control in my program but when after navigate to a site. I try to get some element on the using the document of the webbrowser (like getelementbyid ... ) I notice that some element are missing. I know that elements are dynamically inserted into the page by some javascript. I searched method to get those element and I try to get them injecting a javascript to be executed in the page and return some element by window.external method (or just to try by alert) but even if this script are executed they just return the same result as the method on the document in the original code. Is there a way to access to this 'invisible' element in my program in some way just like I access them by pressing F12 in Internet Explorer?
Here is my code:
private void button2_Click(object sender, EventArgs e) {
//injecting and executing my javascript code
HtmlElement head = webBrowser1.Document.GetElementsByTagName("head")[0];
HtmlElement scriptEl = webBrowser1.Document.CreateElement("script");
IHTMLScriptElement element = (IHTMLScriptElement)scriptEl.DomElement;
[Code] ....
At the end of the execution both test and test2 have the same html were some element are missing.
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Sep 17, 2009
I have a Word document in a WebBrowser. I modify the doc and save it with another name in another path. Finally I close my form and put my doc as nothing. My problem is that a dialog box appears sugesting me saving the changes (the changes done in the initial path) but i have already saved my document so I always want to select "No", how can I avoid this dialog box? Or if it isn't possible, how can I automatize this action?
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Oct 25, 2011
Question for all of the more experienced programmers out there. I am working on a program with a tab control. One tab will hold a webbrowser control within it. What I am trying to accomplish to have it pull a specific url from my website to the webbrowser control if the person is connected to the internet, BUT if they don't have a internet connection at the time, I would like to display a local html file instead
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Jan 29, 2011
How can I open an Office Document in a webbrowser control? when i tried to navigate the file location... it always prompts the save dialog box... how can i plainly view the document file in webbrowser control?
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May 24, 2009
I'm trying to pull specific information from a website using the webbrowser control. Using something like this:
[Code]...
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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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Jan 7, 2010
I am trying to get the HTML inside a HTMLElement which has an id "block". I have tried:
If webbrowser1.document.getelementbyid("block") isnot nothing then
MsgBox(webbrowser1.document.getelementbyid("block").innerHTML)
end if
But it keep throwing a NullReferenceException and tells me to check if it null/nothing which is what I'm doing.
So how do I check if an element in a HTMLdocument with a certain ID exists?
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May 14, 2009
I am using webbrwoser control to open Word document for editing on winform using vb.net. (vs 2005). Now once user edit the word document, I want to forcefully save that edited document to my document when user directly close win form or user will try to EXIT. Unfortunately, word doc which open on webbrowser control if it is edited and when winfrom is being closed it won't ask us to save where as independent word document aske to save changes. I tried to call method "ShowSaveasDialog()" of webbrowser control on winform close event it did not fire up.
Following is my code:
Imports
System.Configuration
Imports
[Code].....
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Jul 1, 2009
I wrote a VB.Net application that displays HTML help files according to user's search results.A user types some keywords and receives a list of HTML help files containing these keywords.When a list item is selected the HTML file is displayed in WebBrowser control.The problem is that I cannot mark the keywords in the displayed HTML file. I need to highlight them like in a standard Help. I tried many options and nothing works.If I change HTML element style manually (background color for a specific string) all pictures attached to this page are not displayed. After "Refresh" operation the pictures are displayed but the text selection is not enabled.I hope there is a standard function for this operation but I cannot find it.
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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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May 10, 2012
I'm automating a download,and I know the URL to the download page. Well, not exactly. This URL is indeed what I need to use, but the website redirects it to the REAL download page. Unfortunately the redirect only happens if I do an exit sub. That is to say, if I do a loop sleeping one second per iteration, the loop goes on forever waiting for the redirect. But if I branch out of the loop by inserting an Exit Sub in break mode, I can see the redirect occur onscreen. (I can watch the current page in the web browser transition to the desired download page). The trouble of course is that I don't WANT to do an Exit Sub at that point, so what's the solution? Do I need to call Browser.Navigate on a background thread?
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Sep 2, 2011
I am working with vb.net to making a form that prevents the web broswer on windows internet explorer from navigating to certian pages. The code can't just work on internet explorer because I could make a program with a web browser that navigates. It has to prevent the web browser itself from navigating.
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Jul 29, 2011
I am currently building a webbrowser that only loads one page, but I don't want the user to be able to navigate away by clicking advertisement links, as I don't want them to be able to surf the net, clicking links could eventually lead them back to Google to search for what they like if they are clever enough!
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Jul 3, 2009
I have this code to attach a new navigating event to a custom webbrowser control. Here it is:[code..]
I do not know what is happening here, as I have used this code on previous projects before.
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Apr 27, 2010
I've got a webbrowser. It's prettey advanced, given that I've spent quite a lot of time coding it, and here is my code which will get the Favicon of the current website when a the webbrowser has finished navigating:
frmBrowser.BrowserTabs.SelectedTab.Icon = Controller.GetFavicon(Me.Url.Host & "/favicon.ico")
Sometimes, a user has switched tabs before the webbrowser has finished navigating. So my question is: Is there any way in which I can determine what tab the favicon belongs to and set it to that tab, rather than just setting the favicon to the selected tab?
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Mar 3, 2009
I'm instantiating a WebBrowser object and programmatically clicking a button to navigate. Is there a way (property, method, or voodoo ritual) for me to check the browser after it lands on the new page to see 1) the form method that was used and 2) the post data?
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Mar 10, 2010
webbrowser1.document.body.outerhtml This transforms all the tags into uppercase and removes quotations. I need to make it valid xhtml does anyone know away to get the outerhtml to not format or maybe a way to easily change the output to proper xhtml.
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Dec 3, 2010
I have been trying to switch my code from using an ie object to using a built in webbrowser. Most of the properties are the same but I have run into an issue getting an xmldocument from a page.
'Internet Explorer Object
Dim oXML As Object = oIE.document.XMLDocument
nodeList = oXML.SelectNodes(path).length
Trying this method on webbrowser obviously doesn't work. But does anyone know the path to get the XMLDocument object from webbrowser?
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Oct 22, 2009
I'm guessing there is a really simple answer to this but i've spent the best part of 2 days trying to get it to work and cannot figure it out.Basically, I want is the webbrowser to point to a local folder on a machine. A different one depending on who is logged on. The code I have so far is as follows.
Imports System.IO
Public Class frmFav
Private Sub frmFav_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim username As String
[code]....
I cannot get the URL value of the webbrowser (FavProgs) to take the value of directoryname. If I set the URL value in the properties for FavProgs it does what I want it to do perfectly.
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Jun 23, 2011
I'm currently thinking up a program I can sneak onto my computer at work, and it all hinges on one key question...Does the WebBrowser Object inherit any local restrictions? EG, If Facebook is blocked on IE/Chrome would it be blocked on the WebBrowser Object?
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Jan 17, 2011
I have the HTML like below in a webbrowsercontrol, and im trying to get all the email address out of it, so anything with a @ in it.
<head</head>
<body>
Here is some test testing@myspace.com here is more text email@email.com.
</body>
There could be tables etc in the html, but it shouldnt matter. i was wondering if there is a way to check if there is an @ if there is get all text to right and left until space, or any letter or number...?
I had this but wanted to see if there is a better way.I have a problem with the below also, it dosent seem to bring back anything even though i know there are emails on the page
[Code]...
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Jun 6, 2010
In a webbrowser control when I set the document text, either by ebBrowser1.Navigate(file_path) or WebBrowser1.DocumentText = String it instantly calls WebBrowser1_Navigating and this blanks the document.The document will load properly if I remove the _navigating method, but I need it for other purposes
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Dec 6, 2011
I'm trying to get a local HTML file to display within a WebBrowser in a VB.NET program. I'm using the code below, however it doesn't seem to work, and I can't figure out why:[code]The first method produces the error "" in the Debug console when I go to run it. If I try it with out the @, I get an empty white page. If I change the address, however ,so I know its a broken URL, I get a 404 message, which makes it seem like it's finding the file but not rendering it?The second method does the same as the first except no error is produced, its like its finding the text but doing nothing.
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Mar 12, 2012
is there any way to get info as we get in webbrowser.document.getelements.in webrequest??
or i need to learn regex??i want to ask one more thing that is there any way that i can get info about how much ram webbrowser is using (from y appl)
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Apr 1, 2010
I have a Web-browser Control in My Form , in Which i am showing one HTML Page .
>>That HTML Page Contains Several Anchors.
>>As per my Requirement user Can create An Anchor by providing The Appropriate data like "Id", "Href", And "Value" .
>>for providing Those Values i have an Input form.
>> Now after Providing That Data .User has to select the Position By Selecting The Previous Anchor And Next Anchor.
i am Getting All The Anchors In the Document From The Following Code
For Each Elem As HTMLElement in WebBrowserDoc.Document.GetElementsByTag("a")
CmbTag.Items.Add(Elem.innerText)
Next
Now i want to place an anchor in between user selected Anchors.
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Jun 3, 2009
How can i use web request to replace webbrowser.document?
Imports System.Net
Public Class frmTest
Private Sub frmTest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
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Jul 19, 2009
I am still new to the use of webbrowser. once document complete is used once how do you use it twice?
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