VS 2010 Check For Element Or Keep Trying Until Element Is Found?
Feb 21, 2012
I have been doing well and also I am a noob I know it and you know it a lot has started making sense and I am evening figuring new things out without using Google but of course I have hit another snag in my program so here goes
I am waiting for an email to arrive (the page automatically refreshes) and then I want to click the link (I do not need to click to open the email or anything like that) I also have the code to click and navigate to the address reason being it was the only way I could figure out how to stop it opening in a new window on IE
So my only problem is I need a way to check every x seconds for the element and then if its there proceed with my code and if its not wait and then check again or however this is done in VB.If this is not the way its done please point me in the right direction the code I am using to find and then navigate to the link is
Dim emailpageelements As HtmlElementCollection = WebBrowser2.Document.GetElementsByTagName("a")
For Each emailver As HtmlElement In emailpageelements
If InStr(emailver.InnerHtml, "https://twitter.com/account/confirm_email/") Then
WebBrowser1.Navigate(emailver.InnerText)
[Code]...
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Mar 3, 2011
I would like the following function to return Nothing if the element with the specified key is not in the collection. Instead, it returns an error - something to the effect of "no element found"
Public Class MyCollection
Inherits System.Collections.ObjectModel.Collection(Of MyType)
Public Function FindByActivityKey(ByVal searchValue As Integer) As MyType
[code]....
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Apr 7, 2009
I am using NiceEdit to format text in text areas, it displays a toolbar over the specified text area, I created a test page, its working, I Response.Write the content of the text area after being formatted, and its okay, I created a break point to see whats being read, it was all fine.Now I moved to the real page where I should implement this text formatting, it simply did not do anything, the toolbar is shown and its working, but when I submit, nothing is being stored, i created a break point and the content of that text area was nothing, empty "".I went further and put Response.Write(textArea.text) then Response.End() and I got the error:XML Parsing Error: no element foundJust in case, the script I am using for the formatting NiceEdit toolbar, and this is the same script i used in my test page and worked just fine, the script is:
<script src="../nicEdit/nicEdit.js" type="text/javascript"></script>
<script type="text/javascript">
bkLib.onDomLoaded(function() {
[code]....
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Feb 14, 2012
I have a number of rewrite rules for a lot of things that I did in IIS7, like removing trailing slashes, canonnical URLs, lowercase lettering, and such. IIS altered my web.config, and everything works fine on the website, like it should. But in the Visual Studio web.config, the opening < rewrite > statement is underlined in blue, and at the bottom of VS, it says that the element 'system.webServer' has invalid child element 'rewrite'. But this is how IIS made it. I didn't do this manually. Should I be concerned with this VS error, or should I just leave as be, since it's working how it should work? Here's an example of my web.config:
[Code]...
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Jun 20, 2011
I am having problems finding an named object declared in XAML in my codebehind file.I want to initalize a ViewModel from inside my View. However I also need a reference to the ViewModel in my code behind file (basically for navigation support, handling events, etc. that I cannot do easily from my ViewModel)[code]However I get a null reference exception when I'm trying to access the ViewModel in my code behind:[code]Some more research shows that the FindName call for "ViewModel" in InitalizeComponent returns null. I tried reading up on XAML namescopes etc. but as far as I see, this should be a simple case and just work, no?
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Apr 13, 2011
Is there a way to control the way a browser behaves such as if I click on this link it doesn't navigate to that link but instead show me the source code behind that button?
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Mar 11, 2010
I need to randomly pick an element from an array and I can only use that element three times,I can randomly pick the element but how do I go about only using it three times.
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Jun 7, 2011
I want to be able to reference an element in an array of structures by the name of the element in a visual basic 2010 function. For example
Public Structure myStruct
Public element1 as string
Public element2 as integer
Public element3 as boolean
[code]...
Is it possible to reference a structures element by the element's name in a similar way to that shown above. The code shown above does not work, as the expression obj(i).[elementName] does not work as hoped.
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Jan 30, 2010
I want to take a field from a table and place the content into a collection. The collection is not supposed to have any duplicates. This is my code sofar... It does not work. The NOT statement is supposed to only enter values into the collection, when the collection does not allready contain the matching string.
[Code]...
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Nov 18, 2009
How would I check if an Element inside a webbrowser exists? already tried:
If Webbrowser1.Document.GetElementById("IDHere") Then
End If
Error1Value of type 'System.Windows.Forms.HtmlElement' cannot be converted to 'Boolean'.
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Jun 19, 2010
Is there a way to check if an element is in the webbrowser1.document ?
I can click the button fine, IF the element is on the page, but sometimes i get to the end page, where i just have the "back" button, and no forward button.[code]...
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Apr 3, 2009
My current code:
If webbrowser.document.getElementById("login")
I'm not sure what comes after it.... I've read about and it seems for JS its a simple (or similar to);
{If(document.getelementbyid("login"))
{ if true}
{if false}}
but for VB?
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Sep 8, 2010
How do I check if an HTML element exists? This element will only "show" on a certain event. ex: numbers in a non-number textbox or something. I tried
If WebBrowser1.Document.GetElementsByName("ElementName")
But that won't work, because the element "is in" the HTML, even though the page doesn't show it yet.
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Dec 25, 2010
I'm using HtmlAgilityPack to parse HTML. I want to check if an element has a specific attribute. I want to check whether an <a> tag has the href attribute.
Dim doc As HtmlDocument = New HtmlDocument()
doc.Load(New StringReader(content))
Dim root As HtmlNode = doc.DocumentNode
Dim anchorTags As New List(Of String)
For Each link As HtmlNode In root.SelectNodes("//a")
If link.HasAttributes("href") Then doSomething() 'this doesn't work because hasAttributes only checks whether an element has attributes or not
Next
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May 23, 2012
I have the following XML:
[Code]...
I am accessing the name of the child element like this:
[Code]...
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May 24, 2012
I would like to associate a web page element, a textbox for example, with a textbox in my form. When a user types something in the textbox, I would like it to be like he types it on the webpage.
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Apr 27, 2012
how can i click a button without haveing a name or id,i am making a bigger program but for example i want to click the search button of google.
<button id="gbqfba" class="gbqfba name="btnK" aria-label="google zoeken>
how do i click the button by knowing the class or value only?
i have tryied this from another thread but that didn't work:
[code]....
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Oct 2, 2009
I know I can create XML ouput in Example 1 as follows using the following code in Example 2. How do I create the same output in Example 3?[code...]
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Dec 22, 2011
I'm looking to change my code in a program to make it more efficient. I'll show you what I have, and explain what I need help with.This is my current
[code]...
How can I go about checking if the element is present within the current webpage before I search for it and invoke a click on it?
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Nov 23, 2011
I am trying to get information from the web source of the page, i'm use WebBrowser to load a page:
sample of source:
<td>
<div>
<div>
<div id="dn" class="queueNumber">602</div>
[Code]...
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Aug 17, 2011
For Each Element As HtmlElement In Browser.Document.GetElementsByTagName("a")
If Element.GetAttribute("class") = "account-points" Then
Pointcount.Text = Element.InnerText
[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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Aug 18, 2011
I'm using a web browser in my vb forum and it to find a certain element then click it when the element loads. The thing is though i don't want it to use the actual mouse if you understand what im saying. Like a appliation thats clicking certain elements but i can still use my mouse to do stuff that i want. Here's the code i have so far
[Code]...
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Jun 8, 2012
I haven't managed to find it and it is driving me nuts! If I have a structure such as
[Code]...
If I want to change a single element of one of the elements of the array, for example the DayHi field of the 0th element, then the code ATRList(0).DayHi = 4 causes the error: Error3Expression is a value and therefore cannot be the target of an assignment. Now I could get round this by reading all the items out of the 0th element into newATR, changing the field I'm interested in and then doing a "ATRList(n) = newATR" but there must be an easier way?
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Apr 30, 2011
I have a webbrowser control with a static HTML page in it, i wanted to loop through each of the DIV items, and look at the class attribute within them. When i run my test, the class attribute is always blank? I know they have a class attribute i checked in my HTML
[Code]...
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Mar 13, 2012
there are any nifty in-built .net methods that can essentially return either the number of occurrences of each element in an array, or simply return the modal value.
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Jun 15, 2010
I'm currently learning VB.net and can confidently connect to databases and return results to comboboxes run stored procedures ect to datagrids, However I'm wanting to find an online tutorial for doing loops with data so for example
I return the following data into a dataset
Orderno Orderitem Price GUID
111 Pies 1.50 xxx-xxxxx-xxxxx-xxxxxxx
111 orangutang 2.00 xxx-xxxxx-xxxxx-xxxxxxx
ect
I want to display each element on a page in a structured format so as to make a visual representation in seperate entities (labels maybe) of the data like so:
Order number
line 1 (includes item and price in plain text on a page i guess using a label)
line 2 (same goes)
Subtotal( )
The results and formulae i can do but it's simply how to split off the data from my dataset and display elements as seperates (also how will i dynamically create the lables as obviously i'm not going to know in advance how many order item rows will return )
Obviously this is not urgent but if anyone could point me at a tutorial or even better a few lines of code that will do this for the microsoft northwind data so i can mess about with it and play.
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Jun 4, 2011
form method="POST" action="">
<input type="hidden" name="formtoken" value="33664efb6d22f84ff9dff62275fbb8a7" />
<input type="text" name="num" value="+97798""/><br/>
Enter Message To Be Sent:<br/>
<textarea name="msg" rows="8">
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Aug 11, 2009
I've been trying to use the AutoComplete Extender from the ASP.NET Ajax Control Toolkit, however I've been having tons of trouble getting it to actually work. To install the AjaxControlToolKit, I've placed it inside my application's bin directoy, then I just dragged and dropped the control into the form. However, it keeps saying,
[code]...
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Jul 21, 2011
I am creating an application that needs to append textbox2.text as the <title> of a webpage.Here is part of the source of the webpage I want to interact with:<title>Test</title>How would I make textbox2.text take the value title (which would be test in this example)?
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