VS 2010 WebBrowser Checking For Change?
Jun 16, 2011
I'd like to make a small app that checks every few minutes to see if a website has been updated. There is a catch to this, too. At the bottom of the page there is a 'server time' that changes automatically. That server time is located in <pre> tags. Everything else can be checked. How can I do this?
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Dec 25, 2011
How can I change the headers (User-Agent, etc) for my webbrowser control, not just for the first page that I browse too, but for all pages.
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Jan 6, 2009
I have a simple question, how would you check a checkbox on a webpage on your webbrowser by pressing a button, like what would the code be?
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Sep 17, 2009
I cannot get the messagebox to show up on my screen when the program checks the text fields on the webpage that says "this is the test".
Here its the code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If WebBrowser1.Document.Forms(0).InnerText = "this is the test" Then
MessageBox.Show("worked!")
End If
End Sub
How to make the messagebox to show up on the screen when the program checks the text fields on the webbrowser by on the webpage?
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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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Jan 19, 2009
How do I put webbrowser1 put checkbox checked pressing button.
Checkbox
<input type="Checkbox" name="n10" value="3685551">
Note! Website what is showing in webbrowser WEBSITE's Checkbox.
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Sep 18, 2009
I need your help. I cannot get the messagebox to show up on my screen when the program checks the text fields on the webpage that says "this is the test".[code]...
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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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Nov 19, 2010
I'm working on an automated program, and it needs to check the latest email on a certain account (which will be passed to it) every 15 seconds or so. Setting up the timer and the passing to the timer the username and password is easy, but it's the reading the email that I'm having trouble with. How exactly can I read the first few emails from my inbox and put them in an array? And after that, how can I access the body and subject, for example email.body and email.subject?
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Jan 11, 2011
I�ve written an app that downloads from the internet with my.computer.network.downloadfile mehtod. The problem is it�s supposed to try a numder of urls and if there�s data, it downloads, otherwize the url is wrong. The utl adress is a combination of date and a letter, which the program gets from a database. So for every date, it checks all the letters as suffixes until it finds the right one. However the wrong ones tend to time out or something, which takes forever and also causes some errors. Is there a way to check if a url is valid at all, instead of actually trying a download?
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Jun 18, 2012
When you create a webbrowser it obviously uses Internet Explorer. Can you change this to Chrome?
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Jun 27, 2009
I would like to be able to change the url property of a web browser without the user typing anything in, just by pressing a button and set that url as the default. What do I mean as the web browser url property, I mean if you add a browser to your form and look in the properties plane and look at url and then when you run your program it automatically goes to that url.
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Oct 6, 2011
I seem to occasionally find myself trying to compare two List(of T) to see whether or not they contain the same elements. A quick check of the documentation shows the SequenceEquals method, but that appears to check whether the two lists have the same length, and have the same elements in the same order. I don't care about the order. I want to know whether two collections have the same elements. Doing this is not terribly difficult, and seems common enough, so I was expecting that there would be some function that handles it.
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Apr 7, 2011
How i can create a button as soon as I squeeze him, he will erase the last letter written?exactly like BackSpace
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Apr 1, 2012
I have this line of codes here to check if the records exist.
Try
If StudentInfoBindingSource.Find("StudentNumber", StudentNumberTextBox.Text) = -1 Then
ToolStripLabel4.Visible = True
[Code].....
This codes works perfectly but there is a problem, if I close that certain form and reopen it and try to input the same student number, the ex.Message for the Try appears and still the progressbar() command executes although the data will not be saved. I want to ged rid of the execution of progressbar() how can I make it work? And as much as possible I want the message box in Else to be executed and not the msgbox in try catch.
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Aug 10, 2011
Basically, in my Tcp Library I'm working on, whenever the system is told to "Stop", the OnClientConnected() Routine fires off, which is only raised under two circumstances: When a Client connects (obviously) When the server is told to shutdown
Now, the first one is handled just fine. But the second one is not. In fact, it has caused me a great deal of headache because it keeps throwing exceptions on this line in particular:
Dim _tcpClient As System.Net.Sockets.TcpClient = _tcpListener.EndAcceptTcpClient(IR)
When I hover over while debugging, I can see a few members that reveal exception data I could utilize; but unfortunately those members are private and I don't want to utilize reflection unless I have to since it could slow down performance where there may not be a real reason to.
I have thought of writing in a Boolean check to see if the server received a shutdown signal and that would indicate that it's time to not accept anything, but I want to avoid that if possible.
Is there any way to see if the TcpListener is no longer accepting connections and has had .Stop() called without reverting to catching the ObjectDisposedException that is raised? (because the Socket that is "accepted" is actually a disposed one)
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Sep 1, 2011
I have a field that I want to check to see if it has a value or not. But my code is not working. I am using:[code]
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Mar 13, 2012
I have a checkedlistbox with numbers in it and I'm trying to load a list of numbers from a database and check all of them (they should all be in the checkedlistbox).
I was trying to do this by loading all the values into a separate listbox using my own subroutine (I know that part works) and then finding the corresponding item on the checkedlistbox, like this:
Dim ItemName As String
For Each item In ListBox1.Items
ItemName = ListBox1.GetItemText(item)
If CheckedListBox1.Items.Contains(ItemName) = true Then
CheckedListBox1.SetItemChecked(CheckedListBox1.Items.IndexOf(ItemName), True)
End If
Next
End If
But this doesn't work: It never returns a match, even when the item is definitely on the list. How do I make this work?
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Feb 7, 2012
I have the following structure:
Public Structure objKeys
Friend Shared [rsaPrivateKey] As String
Friend Shared [rsaPublicKey] As String
[Code]....
How can I check if these two variables have the same data?
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Jan 24, 2012
I am working on a program that gathers test scores from the user in the form of a list box (array preferably). I need to be able to check the user's entries to validate they are between 0-100. I have tried using If statements with a messagebox.show() error message.When the user enters an invalid entry the error messagebox pops up but after selecting ok the program moves on to the next test score.
The GetTestScores procedure gathers the students test scores from the user
Sub GetTestScores(ByRef intTestScores() As Integer)
Dim intCounter As Integer = 0
[code].....
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Oct 24, 2009
So I've been trying to figure out how to change the homepage but not just for your webbrowser, but for all of them. I have had a couple of codes trying to change the homepage but failed, but here is my code right now and i know it is very simple.
[Code]...
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Jan 15, 2012
I'm trying to create a password change form for my company's vendors. There are a couple of scenarios I could encounter doing this:
1 - User enters invalid current password
2 - New passwords do not match
3 - User's account is locked
4 - User cannot authenticate because password is expired
It's case 4 that I'm struggling with, because their is no way for me to take the password the user entered and verify it against active directory without getting an error.
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Aug 4, 2010
Is there any better performance by checking for a true value like this:
[CODE]..............
Than like this:
[CODE]..............
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Feb 24, 2011
I have the following Java code that i am trying to dissect to better understand what all it is doing:
try {
String userName = System.getenv("USERNAME");
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH.mm.ss");
OracleDataSource ds = new OracleDataSource();
ds.setDriverType("thin");
ds.setServerName("xxxxxxx");
[Code]...
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Dec 15, 2010
[code]Now how can I check if a certain employee is in the list? ie. I want to know if "John Smith" is in Employees. I see there is a .Contains method but I can't figure out how to use it on a ListIf Employees.Contains(???) Then (need to check for "John Smith" here)
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Mar 6, 2011
So I have the
Option Strict On
Option Explicit On
Imports System.Data.OleDb
[Code]....
And the registration part works fine, but my only problem is that if someone registers twice with the same email, it will create another cell in Access, causing me to have duplicates.
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Dec 3, 2010
I've set up a transparent user control (used for drawing tools) over a page, and I'm trying to set up some code that will allow you to click through the control if the pixel underneath the pointer is transparent, but will NOT let you click through if the pixel is colored. Basically, if they've drawn a line there, I don't want them clicking through it.
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Aug 21, 2011
I have a program which have to play a sound at a specific time in each day.Currently I made a timer with 450 interval and I put a code in it which check if datetime.now = mytime then it will play the sound.(the program runs in background)
It is working but the problem is that sometimes it doesn't play the sound. I think I didn't used a proper way to this.I have even tried checking datetime.now.hour & .minute & .second with mytime to make sure it does play it at the right time But I don't know why the timer sometimes miss it and the play sound won't be run.
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Mar 18, 2010
Change the user agent of my webbrowser?
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Aug 17, 2010
is there any way to change the webbrowser Proxy and socks in vb.net
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