How To Make Webbrowser Refresh
Dec 26, 2010
I am writing an ap that monitors a website for changes. The website is for reserving campsites and I need to know when they change the date we can book a reservation. The date can change at midnight or any time during the day. It is completely random.I start the program launching a webbrowser with the URL. I have an inputboxbutton that prompts for the text to track for change. You paste the text in there and then the ap is supposed to wait for x minutes then refresh.I have a refresh button that works perfectly. Here is the code for it:
Private Sub Button_Refresh_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_Refresh.Click
WebBrowser1.Refresh()
[code]....
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Nov 17, 2009
I am a complete noob at programming, so I need all the help I can get with my new program.I am building a web-browser which is linked to one webpage. The content of this page is constantly changing, so I need the web-browser to auto-refresh after 2 minutes. But if it refreshes while NOT connected to the Internet, the browser will show an error message, so that is why I have build in an Internet check. This check is working. The browser also have to be in the same place at the screen every time the software is loaded. This code is also working.
But the timer and the refresh is bugging me. I cannot get it to work. The code is not responding.
[Code]...
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Oct 8, 2009
I want to make a program in Visual Studio 2008 in Visual Basic. It involves a web browser and I want to make it auto refresh and allow people to choose the time period in which they want to auto refresh. It won't take user input but I have checkboxes that are preset. I think this may be possible using a timer and the WebBrowser1.Refresh() method. If I am mistaken, please correct me and tell me how to do this.
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Feb 6, 2012
I am developing a google maps ap, and want to refresh the map with new detail on demand. The initial problem offcourse was that the webbrowser control does not reflect the changes (still keeps the original htmltext) and new document text and refresh. I understand the document text is set once, and cant be changed... apparently.
I have tried
navigate("about:blank")
document.stop
document.new(true)
doevents
All the collected user knowledge on this problem, only get me half way. I can get the page refreshed using some of the techniques above, but it then gives me a script error and an error 53, which both has no details or origins.. just blank errors.... after clicking through their error windows, my page refreshes.P.S. I don't know if my javascript events that are bound to the webbrowser control causes the errors. Some have suggested that the errors are due to the document loading without all its references being closed/open...
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Apr 20, 2009
I'm working on a webcrawler in VB.net, and using the System.Forms.WebBrowser object for handling navigation on sites that use javascript or form posts, but I'm having a problem. When I navigate backwards (WebBrowser.GoBack()) to a page that was loaded with a form post, the page has expired and I have to do a refresh to resend the request. When I call a refresh (WebBrowser.Refresh()), a dialog box pops up to confirm. Is there a way I can get around this modal dialog in code?
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Jan 27, 2011
I want to know how to autorefresh a vb2008 form having a webpage (cricket scorecard), form must refresh in 5 sec.
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Jan 6, 2010
I have two webbrowser controls in my application, and I need them to refresh every so often, for example, every 5 minutes. How do I do that?
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Mar 12, 2012
There is PreviewKeyDown but I don't know how to prevent it from passing the keypress to the browser using that method & WebBrowserShortcutsEnabled will disable them but not allow other stuff like Control+C,Control+V and even the delete key in a textbox wont function as well as technically any F keys will not be passed to the flash I have running in the web browser control so the reason for disabling was made moot because the keys still aren't usable in the flash game either because they don't function at all anymore or it has an action already(F5-refresh)How do I disable it without stopping it from being used by the underlying webpage - flash in this example....
Return returns execution to it so it ends up calling keydown like normal, there is no actual keydown event for the webbrowser control or id use that....I cant block navigation because a refresh appears to not call any of the navigation stuff....End stops execution of the whole program it seems, not just stopping that part of code in its tracks...Stop just pauses the program in the debugger....Exit has the same result as return does....
Is there no way to either use PreviewKeyDown to not return execution to the caller....or maybe some kind of await procedure(visual Studio 2011 & its await procedures/async procedures) or something which will never finish... them using it a lot(the F5 key) wont use a lot of cpu while it waits for something that would never happen....Or just any other method which could make this work how I need it....
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Dec 11, 2009
I have a VB.NET application and a timer that refreshes the webbrowser every 5 seconds on the application. Now it works 100% fine with Windows Vista. It also works fine on another computer that has Windows XP. But when i come to run this application on my server that has Windows XP installed the application will just not refresh. Is there anything that i can do to code it to FORCE refresh the browser every 5 seconds?
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Feb 27, 2010
My program has multiple webbrowser objects, each one in a different tab. How would i go about setting up a button to refresh only the webbrowser on the active tab?
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Mar 27, 2010
Sometimes webbrowser goes to page not found and stops. Is there a way to do if it's page not found do refresh!
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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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Jul 12, 2010
I have a VB.net form which has two webpages embedded. The webpages have a 5 second auto refresh built into the HTML header as the information is constantly changing.
The problem I have is when I pull up a secondary form, I lose focus to the 'Main' form everytime the webpage refreshes.
Is there any way to stop the webpages autorefreshing in the form and I will build in a refresh command into a timer I already have in place and then I can start and stop the refresh at will.
Unfortunatly I cannot amend the source code of the HTML as this is required for a different process elsewhere.
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Feb 28, 2010
how can i make my webbrowser open up a new link in my same webbrowser or in another form? basically what im saying is i dont want it opening links in internet explorer.
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May 6, 2011
I want to make a webbrowser, but only have it show one specific thing and not the whole page. The thing I want it to show and only show is in about the middle. How would I frame the page, and put it on the webbrowser?
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Aug 15, 2011
'Informs you forgot email.
If TextBox1.Text = "" Then MsgBox("Forgot E-Mail")
If TextBox1.Text = "" Then Me.(PLEASE TELL ME WHAT TO PUT!
[code].....
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Apr 29, 2010
got question on using windows forms in visual
what i have going on is on one form i have a calendar that is for the month of may. when you click on may 1...it opens a form with some combo boxes and a gridview that displays the choices from the combo boxes.
my question is this..
can I just link all of the other 30 days in may to go to the same form or do I have to make 30 duplicate forms LOL...i know it is a kinda silly question but I really dont know.
It would be a travesty if the user were to click on may 2...and get a form all filled out from may 1...*blush*
Secondly if i were to have a calendar control on the form that may 1 is pointing to (at the moment I dont) how do I get the calendar contol to reflect that it is may 2 and not may 1??
this is not for a web site it is for a tire shop here in town, and it is the first project that I am doing..so it is kind of important to me.
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Jun 15, 2012
I want to have a button on my form that will close the form itself and then reopen itself essentially refreshing the form. i have read several posts about this topic and most people say use the hide and show functions but i don't want to hide the form i want to close it. I have also tried to use the form1.refresh thing and that doesn't work either.
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Jan 27, 2011
I have to Repositon many TextBox in a form, but when I use Refresh() to invalidate its client area, that TextBox's Text will be disappeared until I focus to that TextBox. Are there any way to make the Text appear immediately after Refresh?
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Jun 4, 2010
Im trying to make a frame on a website refresh with a new src.
This is my function in a seperate module PHP
Public Function StatusRead()
If Form1.WebBrowser1.ReadyState = WebBrowserReadyState.Complete Then
Dim theStatusCollection As HtmlElementCollection = Form1.WebBrowser1.Document.GetElementsByTagName("frame")
[Code]....
The flag is declared at class level in my form1.vb and the reason for the flag is to stop the frame endlessly refreshing
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Aug 4, 2009
I've spent several hours reading through posts trying to make a data refresh/reload work and I can't.After adding a new record to the underlying table (using MSSQL) I need the datasource for that table to show this new record. My understanding is that using BindingSource.ResetBindings(False) is supposed to fetch a ew set of records and also update any control bound to it (ie ComboBox).Neither of this is happening. The new record is not there when using the navigator. The ComboBox does not show the new values either.It seems that this would be a simple basic command in VB, alas, I can't find a way to do this cleanly.I'm using SQLSERVER 2005 and VB.NET 2005. Controls are all bound to datasources...
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Jun 5, 2012
How do I make webbrowser1 refresh a certain amount of times?
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Feb 11, 2012
I have a simple translating program i working on in vb 2010.I have a combobox and a textbox and a button. What i have so far is when you select the option in the combobox the textbox and button will appear. then when you type something it replaces each letter with something new, in the same textbox.what i cant figure out is how to make it so where if i click the button again it translates the replaced letters back to the original ones.
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Nov 25, 2008
how i can make the WebBrowser1 refresh an infinite amount of times really fast and with a click of a button?This is the code i have right now:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button2.Click
WebBrowser1.Refresh()
End SubThe above code only makes the webBrowser1 refresh 1 time, but i want it to refresh infinite times with a click of a button.
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Jun 5, 2009
Lets say i label "label1" , and 2 buttons named "button1" and "btnRefresh " [code]So , when user press the button 1 , the text will change. But what should i put inside btnRefresh to reload the forms ? and display the default label.text = "Form Load" ???
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Apr 26, 2012
[code]I want to make the Properties Window to update the properties for X and Y at each MouseMove, so they become immediately visible for the user.
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Apr 10, 2012
I am making a program that automaticly clicks radiobuttons, buttons textboxes ect within a webbrowser. i found a artical about this subject and this is exectly what i want but i still dont understand it totaly so i cant get it to work...to understand this type of coding i am making a program that auto fills in the textbox(search bar) from google and presses enter after it.
Public Class Form1
Dim test As HtmlElement
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As
[code].....
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Aug 11, 2009
make a way for my webbrowser to be able to add plug in?
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Feb 14, 2010
I am trying to make a webbrowser in vb 2008 and I put a history in it. But the thing is cause I can't see the history in my listbox.I need to get this done as a school project by wendsday.I tried: ListBox1.Items.Add(My.Settings.History) but no successes.
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Mar 22, 2011
i am trying to make a webbrowser in VB2010, but one major roadblock that has been in my way for a while, is the fact that i can't get my bookmarks bar to work
i have no code to show you and i am completely open to ideas as long as i use a toolstrip just make sure that the bookmarks work and they are Saved when the program is closed and opened again.
Notes:
instead of "WebBrowser1" use:
"
CType(TabControl1.SelectedTab.AttachedControl.Controls.Item(0), WebBrowser).PutWhateverHere()
"
(i am using a dotnetbar tabcontrol so i need the "AttachedControl")
the toolstrip i am using in this case is called "BookmarksBar" so please don't use "ToolStrip1"
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