VS 2008 Webbrowser Control And Deleting Cookies?
Jun 3, 2009
I'm having an issue trying to pull information from a specific website. I've asked about this once before, but had no luck through searches or responses.In a nut shell, the issue I'm having is trying to pull information from several URLs from a site.When I load the first URL and pull the information, it works just fine. But if I want to pull another from that same site, it acts like it is loading, but doesn't pull the information. In order for me to gather that information, I have to restart the program, but that beats the purpose.So, I wanted to see if the issue was related to cookies or something else the webbrowser control creates when loading a site. If this is the case, I'd like to clear out this information, or at least try it, after each time it pulls the information from the site.
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Dec 30, 2011
its possible to set the webbrowser cookies as same than httprequest cookies.
Private Sub lol()
Dim request As HttpWebRequest = DirectCast(WebRequest.Create("http://login.ijji.com/postLogin.nhn"), HttpWebRequest)
request.CookieContainer = cokie
[code]...
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Aug 9, 2010
I have make a web browser with Gecko rendering engine. I am unable to find the way to delete cookies.
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Mar 27, 2010
I have a webbrowser control in my program and what I want to do is to delete all the cookies stored in my computer.The problem is that for example I'm in some site, and then I decide I want to delete all the cookies, so I do it by the command "Kill()" but the problem is that the cookies remain and this site still can recognize me, and to complete the kill command I need to close my program and enter it again.The webbrowser control uses Internet Explorer, and I think when you enter IE it somehow loads all the cookies into it so if you delete your cookies, they remain there.So I'm wondering how can I delete my cookies, completely delete them without the need to close my program and enter it once again.
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Apr 1, 2010
I'm trying to delete cookies from my webbrowser control with this code: Form1.WebBrowser1.Document.Cookie.Remove(0, (Form1.WebBrowser1.Document.Cookie.Count - 1))
I think this works (not sure how to check) but if my webbrowser doesn't have ANY cookies yet, it shows this error: System.ArgumentNullException was unhandled
So basically, If my code is correct, I need some sort of error handling to check that there are cookies (if that is the issue?). I tried this code but it shows the same error: If Form1.WebBrowser1.Document.Cookie.Count > 0 Then
Form1.WebBrowser1.Document.Cookie.Remove(0, (Form1.WebBrowser1.Document.Cookie.Count - 1)) End If
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Dec 29, 2011
Does the webbrowser control use cookies saved in the IE cookies folder?
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Jan 1, 2011
I need to make 3 webbrowser (using the default webbrowser control) in my application, but I need them to use separate cookies. I want them to run independently. (ex : I put 3 webbrowser in my application, if I log in a site with a webbrowser, I'll be logged in the 3 webbrowser. I want that only one webbrowser will be logged in, not 3.)
I already found some site about it [URL]
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Jan 14, 2011
I am trying to have a DateTime variable which is in a MM/dd/yyyy HH:mm:ss format convert to dd/MM/yyyy HH:mm:ss. I am using VS2008 Pro, and when I create a var:
dim dt as datatime = datetime.now It automatticlly defaults to MM/dd/yyyyy. No matter if I convert, parse, use globalisation or anything... convert to a string, which works with dd/MM/yyyy, but the minute i move it to a DateTime var type it goes back to MM/dd/yyyy I need to use this date/time to insert into a MS SQL Database and the colume is datatime type. But also is part of the app.I do not want this to be a string, I can do that, but I do need it to be a datatime in the correct format (dd/MM/yyyy HH:mm:ss)
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Aug 17, 2011
How to clear WebBrowser's cache/cookies?
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Jun 28, 2009
My problem is I have code delete a cookie it deletes it perfectly but my webbrowser1 doesnt recognize that its gone unless I restart the app. I'm wondering how I could get the webbrowser to restart (not refresh) or any way to get it to recognize the cookies no longer there?
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Mar 9, 2012
I have a problem with WebBrowser control and cookies.First of all what happens when one navigates in a normal Web browser (IE9 in my case): open page
I enter my username / password,
I leave the checkbox "Stay signed in" unchecked and click "Sign in",
IE9 opens my GMail page with all my mails listed. That is OK.
1.2. At the top of GMail page there are a lot of links like "Calendar", "Documents", etc.
When I click the "Documents" link, my documents page is opened in a separate tab in IE9. No additional login information as name / psw is asked. This is fine too.Now, what happens when I repeat all that in WebBrowser control (I have created a very simple VB.NET application with single WebBrowser control in it).
2.1. In form load event the following code is executed:
Private Sub MyForm_Load(sender As System.Object, e As System.EventArgs)
Me.MyWebBrowser.Navigate("http://www.gmail.com")
End Sub
2.2. I enter my GMail login information (name and psw) in WebBrowser control,
2.3. When I click the "Documents" link, a new instance of IE9 is opened,
2.4. Instead of showing a list of my documents, Google asks me to login again in an IE9 window. Why? Why I have to enter my credentials again?I think there is something wrong with cookies and they are not set correctly in a step 2.2.
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Dec 24, 2009
I am making a program that clears IE/firefox history and cookies.
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Mar 26, 2010
I have been tasked with trying to build a small program to delete internet browsing history and cookies, My form consist's of just 3 buttons one to delete browsing history one to delete cookies and another button to do both. I have looked all over the internet and come across a few ways but none work any other ways to do this task?
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Jun 26, 2008
trying to write my own little disk cleanup utility (for a client) Can clean out windows/temp folder okay, but when it finds a file locked by a process it crashes - I have found out how to use error handlers etc to control the error but how can I unlock(?) the files in use before I try to delete them2) How can I clear cookes, history, temp internet files etc from within vb?
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Oct 21, 2009
I'm writing a program that uses a webbrowser to update a page and gather its data. But it's reloading the page from the cache. I located the cache and quickly found that it cannot be deleted like normal files.
Now i really only need to delete one file, specifically a javascript file, because that's the only thing i need updated. But deleting the cache is proving to be a bigger problem than i thought, let alone deleting a single item from the cache.
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Apr 10, 2009
Well I have Flash control and I need to delete it with code.I need to know how to make a new flash control. I know Dim ShoclwaveFlash As New ????. I don't know what to put for ????. I'm using the COM Component for Flash in VB 2008.
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May 18, 2010
How do I clear any Cookies a webbrowser has left behind?
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Aug 1, 2009
Suppose I have webbrowser in mine form..Is it possoble to capture only the cookies create by mine webbrower..suppose before starting the project,in mine cookies folder there are cookies names cookie1 & cookie2....Suppose after the project run.cookies created by mine project are named cookie3 & cookie4...I want to delete cookie3 & cookie4 only..
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Aug 1, 2009
Suppose I have webbrowser in mine form..Is it possoble to capture only the cookies create by mine webbrower..suppose before starting the project,in mine cookies folder there are cookies names cookie1 & cookie2....Suppose after the project run.cookies created by mine project are named cookie3 & cookie4...I want to delete cookie3 & cookie4 only.
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Jan 20, 2011
I been trying to do this for days can't find a way to do that,ok so for example if you ahead and login into hotmail.com navigate somewhere like "bing.com"
clear cookies with something like For Each cookieFile As String In IO.Directory.GetFiles(Environment.GetFolderPath(Environment.SpecialFolder.Cookies), "*.txt")
[Code]...
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Aug 26, 2011
I'm writing a program for my sister for a game which she plays online. It uses a WebBrowser control, and HttpWebRequest as well.The basic function is it searches through the website, we'll say the url is http://hersite.com/pet/* (don't follow the link lol it's just an example) where * is a number and this is how it searches.I use a for loop to cycle the numbers from a specified start to end, and use an httpwebrequest to fetch the html code, then process the string using InStr and .split()When I access the webpage using the WebRequest.Navigate, it takes me to the page correctly. However, if I fetch the source through the HttpWebRequest, it fetches the source of the login page, which the website redircts you to if you are not logged in.Is there a way to transfer the cookies from the WebBrowser to my HttpWebRequest?
Some examples:Get the HTML somewhere in here I need to add the cookie to the http requester, don't I?
Function GetHTML(ByVal strPage As String) As String
Dim strReply As String = "NULL"
Try
Dim objHttpRequest As System.Net.HttpWebRequest
[code].....
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Nov 19, 2011
I'm making a webbrowser for the pc's on my school, but I want to clear cache & clear cookies everythime someone exit's the webbrowser. Is there a simple code for it?
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Sep 11, 2010
After I send a post request to a site/forum and successfully logged in,
1) How do I save/read the cookies so that when I visit other sections of the site/forum I remained logged in?
Eg. I want to login to a forum and read a thread that only forum members can read.
Also, when I log in in the web browser tool (GUI) of vb.net, the cookies seems to be saved by the browser. Those cookies are also shared by Internet Explorer browser.
2) Is there a way to get the cookies from the web browser tool or Internet Explorer so I don't have to login and read/save the cookies programmatically?
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Aug 1, 2009
Suppose I have webbrowser in mine form..Is it possoble to capture only the cookies create by mine webbrower..suppose before starting the project,in mine cookies folder there are cookies names cookie1 & cookie2....Suppose after the project run.cookies created by mine project are named cookie3 & cookie4...I want to delete cookie3 & cookie4 only..Is there any way to do it?
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Feb 5, 2012
I have a simple exe that loads a page from my site in a webbrowser where users need to enter login details to get on a secure page. Now everything works ok, except I have to use php for this and yeah cookies. So, I want to know if it's possible to set a special location for the cookies, since as some members report, they clean the cookies daily and this makes my exe "forget" that they are logged in. Any way to store cookies on same location with the exe so it won't get deleted by 3rd party tools like ccleaner or so.
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Oct 19, 2010
Im new to visual basic but i have some experiance in other languages.I been trying to build an application that uses the webbrowser module.There is only 1 thing i cant find anywhere.in my app i use my browser to signup at a sertain webpage.This page remembers my login info.When i close my application and open it again and go to the same page i can login again.But when i switch forms and go back to the browser form it will automatical login for me.
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Feb 2, 2010
i'm making a webbrowser, curectly in version 2. 6. But i need some codes before i can release it.
-Source Code
-Save page as
-Delete Cookies
And if you know some more properties for the webbrowser, like options.
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Aug 2, 2011
i have a form with webbrowser and browsed website with an html selectbox in website and i dont want the other <option> elements unless couple of them for easly filling the fields at every visitng
is there any control to remove unwanted html elements exist at string getting by GetElementbyid or somthing like that? so here is some of my code works fine on otherfields
[Code]...
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Jun 17, 2009
I'm attempting to load a website, look through the HTML, and then put it into a control.When I do this, the site redirects to another page. I know how to pull the info, so I need to figure out how to get to my destination page. I'll break it down in steps:
1. Attempt to load www.site.com/1
2. If cookie is not on machine, site redirects to www.site.com/zip code.
2b. Enter Zip code
3. Attempt to load destination site again.
4. Page redirects to www.site.com/default.aspx
5. Attempt to load www.site.com/1
6. Success
If the cookie is already on the machine, it skips to step 3. No matter what, it always loads the default.aspx page first. This isn't a webbrowser control issue, it's a site issue. This happens when on a normal browser.I'd hate to say it's bad coding standards just because it's not working because I want it to, but it sure seems like bad coding standards.
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Nov 23, 2009
Function GetHtml(ByVal URLString As String, ByVal web As WebBrowser) As String
Dim NewString As String
web.Navigate(URLString)
NewString = web.Document.Body.InnerHtml
Return NewString
End Function
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
RichTextBox1.Text = GetHtml("http://www.yahoo.com.hk", WebBrowser1)
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