VS 2008 XML Write Empty Element?
Jul 26, 2009
Im trying to create an empty element in an xml file but still want to be able to close other elements without changing the empty element.What XMLTextWrite does to empty elements:
<Data>
<Feed>
<EmptyElement />
</Feed>
<Data>
When i use the text writer i cant use <writer>.StartEndElement() it starts to screw with my empty element. When im still having my program write inside feed. Here some code your you to drool over.
My example
Dim Settings As New XmlWriterSettings()
Settings.Indent = True
[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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May 13, 2010
Please excuse my stupidity, I tend to find the traversing XML overly complicated.
[Code]...
Once it gets to staffBio I get an error saying "Object reference not set to an instance of an object." obviously because that node does not exist. My question is how can I assign the value to a variable even when it is empty without having to do a conditional check before each assignment?
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Nov 28, 2011
i noticed a problem with a program i made that occurs when an array element is called to use but is empty under a certain condtion therefor throwing an exception. i tried to define that element after the array was initialized to give it a default to use, but its not workin for me?
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Mar 7, 2012
I'm deserializing some XML from an old application into an object in my current application. The old XML often has empty elements (<SomeElement />) which are currently deserialized as empty strings (""). I agree that this is the most appropriate behaviour, but it is a minor irritant; I'd rather they were deserialized as Nothing or ideally ignored - the effect would be the same. Is there a means of ignoring these elements? Or can I have them deserialized as Nothing?
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Jan 12, 2010
How can I change the following code to write to the database null instead of empty strings?
Public Sub SetChangeRequest(ByVal referenceLeaseID As Integer, _
ByVal referenceCustomerID As Integer, _
Optional ByVal custUnitNum As Object = Nothing, _
[CODE]...
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May 20, 2011
I'm using VB.NET 2005 Pro to write a batch file to empty folder contents, but I'm having problems putting quotations around the parameters.Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnTNFCleanup.Click Create an instance of StreamWriter to write text to a file.
[Code]...
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Jan 4, 2012
I am trying to write a code for excel so that it generates results in the last empty column on the sheet. below is a sample data of what is there:[code]
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Mar 15, 2010
I'm using custom serialization and when the xml is generated it's putting the class name as the root element
Example:
<MyClassName>
<MyIntendedRootNode>
<ObjectType>
[code]....
I'm invoking the serialization by calling xmlserializer.Serialize(writer,Me) so I'm sure that has something to do with it.I've tried putting XMLRoot onto the class, but I think as vb is compiling this partial class with its aspx page, it's either overwriting this property or ignoring it entirely.I'd like to just tell it to either throw away everything it has and use a different root element.
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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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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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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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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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Feb 5, 2011
HTML
<input type="text" id="id1" name="id1" value="myvalue" title="id1" >
How would I get "myvalue"? I've tried using .InnerText/.InnerHTML, but neither work. Instead of "myvalue" it will return "".
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Feb 11, 2009
I'm trying to read an innerHTML string from an element on a webpage. I've loaded the page using the webbrowser browser class.
Here's the code in full
Imports System.Net
Imports System.IO
Imports System.Diagnostics
[Code]...
When I click button 1 for the first time I recieve the error "Object reference not set to an instance of an object." but when I click it the second time it returns the elements text perfectly.
I thought the wb.document element might not be instantiated so I've tried navigating to a page (google's homepage) before loading the page I want put with no success.
I also thought that maybe it wasn't giving the page time to load so I added the sub to deal with the documentCompleted event but this also returns nothing (though wb.document.url is set correctly to the webpage I want)
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Apr 25, 2010
I'm running into deep trouble with this structure variable!this is the structure
Structure StuRec
Dim strName As String
Dim strMNum As String
[code]....
the ArrScores() has maximum elements of 10 subscripts so i need to delete one recored of them. but it doesn't really seems to be working?
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May 17, 2009
I was looking at a previous post and the poster was talking about htmlelement, so what I want to know is if you can use this function to find a html element on a wb page.I'm trying to make a program that will find the img src url for an image on a website and then return that url to the imagelocation of a picturebox.
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Oct 8, 2009
Im having trouble getting the number of rows from a grid control.I have a function called UpdateDevicesGridStatus
[Code]...
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May 18, 2010
Been searching all forums for an answer to this problems for several days now without success.I am trying to Cast/Bind to an HTML Element in an open Internet Explorer 8.0 browser.I need to Cast/Bind to a Frame with a name of "mainFrame".I can get to the Frameset ok but cannot get any further.[code]Can anybody shed any light on how to get HTMLDOC to bind the name part "mainFrame"
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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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Aug 13, 2009
i want to add WPF Control to my windows forms application so i need to use element host but i couldn't find WPF Interoperability tab so i tried to add the reference and then add the control but i got this error why? and btw i tried also in C# and i got the same problem
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Apr 6, 2010
I have a webbrowser and I need some way of putting a picture onto the form in a picturebox or something like that. The thing is.. the image on the web browser always has a different URL but the element id is always "captchaSF_Image"
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Jun 2, 2011
I have the following code that adds the elements from between the <movie></movie> elements to a listview box.Private Sub ParseMovie(ByVal reader As XmlReader)
[Code]...
What I would like to do is make sure that it reads everything instead of using ReadToFollowing. I might add something else to the xml file, such as <release_date></release_date> and I want to make sure I don't have to edit the ParseMovie sub routine. I looked at the members of XmlReader, but I can't seem to get the right methods to do this efficiently. How should I parse every element between <movie></movie>.
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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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May 9, 2009
Just like the title says, I have a webbrowser and I need to determine if the element exists or not before I invoke it.
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Apr 14, 2009
I want to use the filter element that is defined in CSS in order to render some PNGs for use in IE6. Using VS 2008 and creating a style sheet in the Studio I noticed that when I wrote the word filter, it was not recognised by intellisence. Is there a bug in VS 2008? How can I make my app recognise filter? I really need to use this command word in order to render my transparency correctly
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Dec 22, 2011
I have a question about an array of string and random. I have an arry of string i.e Dim testArrayString() As String = {"Orange", "Apple", "London", "Sydney", "anything"} I want to show the each element of the above array randomly one by one in a message box....and also stores that randomly generated string from that array into an another variable... How would i do that... i have no clue
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Jul 10, 2011
i want to drag this html element when i click button [code]
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