Interacting With Javascript SubModal Object
Apr 26, 2012
I am using VB.NET to automate a web form submission using SHDocVw.InternetExplorer. I have navigated to the form, filled in all of the fields successfully, and clicked the update button. By design the web application then opens a JavaScript SubModal window in the center of the screen. It looks like a "floating iframe" for lack of a better description. [code]I need to find a reliable way (i.e Not SendKeys). to get the HTML source of this popup in order to click a button.
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May 15, 2012
I have a javascript that returns an array
var docArray = new Array(page, stamprect[0], stamprect[3], stamprect[2], stamprect[1], srot);
return docArray;
[Code]....
im getting error:
Unable to cast object of type 'System.Object[]' to type 'System.Int32[]'.
I dont know how to typecast it to array
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Feb 28, 2012
I am passing a pair of serialized objects into a vb.net webserviceThe first one maps to a known structure, so I am using the structure type in the parameter list of the webservice. The second object may map to one of 6+ structures.A field in the first object will tell me which structure to use for the second object once both objects are passed to the webservice.
a.template = jQuery('#txtTemplate').val();
a.value1 = jQuery('#txtValue1').val();
b.var1 = jQuery('#txtVar1).val();
[code]...
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Jun 11, 2012
I keep getting the 'Object Expected' error within my page script when I click the button.I've debugged using fire-bug and the id passed to the JavaScript method is the correct id and document.getElementById(a) finds the button. The error keeps occurring in the _doPostBack. Can this be caused because the button is inside a modal popup in a gridview cell, and the gridview is inside a update panel. The reason I'm still using the JavaScript is the Post-Back event in the GridView.RowCommand did not occur without this.
The code:
function addAcc(a) {
var btn = document.getElementById(a); //get the button, not necessary but safer
alert(a); //To see the button id
[code]....
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Sep 8, 2009
I want to create a json object in vb.net to send the response back javascript function to do something?
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Jul 8, 2009
I have a webpage that contains an ActiveX object, called object1, and a javascript function, called alertMe(input). I wish that if user clicks on different location on object1, it will call the javascript function. Is it possible to do this? If it's possible, how should I write the calling in the ActiveX object?
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Feb 7, 2009
Well I am trying to make a exe that shows a swf game(Club Penguin). When ever I run the exe and login to the swf game, A Internet Explorer Window pops up and its title has some javascript. After a few minutes the window closes and I get an error:Internet Explorer cannot download.Unspecified error.After this the game runs fine, But if I go to a room or something in the game, It does the same as above. (You might need to play Club Penguin in a Visual Basic Program to see what I mean.)
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Feb 25, 2011
Here's my json:
{"d":{"key1":"value1",
"key2":"value2"}}
Is there any way of accessing the keys and values (in javascript) in this array without knowing what the keys are?
The reason my json is structured like this is that the webmethod that I'm calling via jquery is returning a dictionary. If it's impossible to work with the above, what do I need to change about the way I'm returning the data?
Here's an outline of my webmethod:
<WebMethod()> _
Public Function Foo(ByVal Input As String) As Dictionary(Of String, String)
Dim Results As New Dictionary(Of String, String)
[Code]....
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Sep 8, 2011
I am getting a javascript error when I attempt to click on my calendar control.
The html code is:
<td align="left" style="width:50%;"><asp:Label runat="server" CssClass="TextFontBold" ID="lblStartDate" Text="Start Date:"></asp:Label>
[code].....
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Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))[code].....
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Jul 10, 2010
I searched around the web for some tutorials and code examples, but couldn't find anything up to date. For example if i wanted to hit the "+" button on the windows calculator using an application i made what would be the best route to do so?
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Apr 15, 2012
I am lookin for source from where i can learn to change control properties at runtime using VB.NET. Actually I havent started working on the project so I cant mention exactly what I need.
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Mar 17, 2009
I have a project in Visual Basic 2008 where there is a Main Class and couple of classes inside the Main Class. I want to be able to share variables/objects within the Main Class and SubClasses while those vars/object are instanced.
Ex:
Code:
Public Class clsMain
Public t as New clsSub1
[Code].....
So, can i make var1 be in separate instances per clsMain in the memory while being able to access the var1 in clsSub1?
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Nov 16, 2010
I am trying to have a ComboBox on my form, be able to change the selected item in a Listbox/Combobox on a website, through a webbrowser control.
For instance, here is the HTML coding I am trying to interact with on the webpage:
<select name="day">
<option>1</option><option>2</option><option>3</option><option>4</option><option>5</option><option>6</option><option>7</option><option>8</option>
[Code].....
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Mar 12, 2009
I want to be able to make Internet Explorer navigate to the "about:blank" page every time its user navigates to a wesite that is blocked by the HOSTS file. Does anyone know the code that I can use to do this?
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Oct 10, 2009
What classes has vb.net got to work with video files...like mpg or mp4i wanna write some code to be able to save a specific video frame to a jpg image.
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May 11, 2012
I have a MDI parent on which i launch a child form
Dim NewMDIChild As New Frm_addOT
'Set the Parent Form of the Child window.
NewMDIChild.MdiParent = Me
'Display the new form.
NewMDIChild.Show()
His child form contains several comboboxes which hold data from a dbase(sql)
When new data is entered in the cmb it checks the database and if it isn't in there it launches another window
FRM_OTlistaddklant.Visible = True
and copy's the newly entered text in a textbox.
FRM_OTlistaddklant.TB_klantnaam.Text = OTaddklant_naam
then i can give in the details etc.
now, when this is done and the users presses a button "Add"
the information is written to sql(which works perfect)
than i have a public sub on the Frm_addOT which should refill the combobox and
also set the backcolor to a specific color.
and the last two things will not work. Actually when i try to change the backcolor on Frm_addot it triggers the event backcolorchanged and says it has changed but it is not visible.
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Oct 1, 2011
I'm trying to start to use the Task class for multi-threading. This is a really simple example so I can work out the ins and outs. As an example, I have the below thread, the thread.sleep is used to represent large amounts of data processing, at the end of which I'd like to update something on the screen. Please advise a good way to achieve the idea of the below code with respect to the text box update.
With the old threading system, I would grab the UI context, and do a .post/.send to it. I'd like to have that ability with the newer task system, but am open to the preferred way of solving this.
As a back ground, the threads I will be replacing were previously constantly running during the app with a do/while that was killed at app close.
[Code]...
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Apr 3, 2011
I want to make a usercontrol that I can then use on my project form, and then interact with it. (for example, get the result of a calculation that was made in the user control and then make futher calculations on my form) I basicly know how to make a Usercontrol, by not how to use the information that it derives for further use.
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Jul 2, 2009
I just wondered if it was possable to say load a webpage then press a button on a certan webpage?
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Feb 24, 2011
I am writing (and teaching myself how to write) an experimental assembly in VB.NET 3.5 that is exposed via COM and then called from some Excel VBA code to initiate an instance of a class that traps some Excel events and then perform some functions on the active workbook in Excel.To initiate the class, a reference to the Excel Application is passed from the VBA (I am using a PIA for Excel in the assembly).I needed to perform a time-consuming operation on the active workbook from my assembly so I decided to use a BackgroundWorker in a WinForm so that I can display a progress dialog for the operation whilst the operation completes in the background.
I would like to know if there are any problems with interacting with Excel via COM using a background worker in this way? Reason for asking is that the main class in the assembly holds the reference to the Excel application object, and this is then passed to the BackgroundWorker so that it can determine the active workbook and then perform some operations on it. I am only accessing the workbook itself (not other objects) through one procedure.
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Feb 27, 2011
following error as I am unable to find a fix:Description:A problem caused this program to stop interacting with Windows.
[Code]...
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Jan 9, 2010
I didn't know where to post this question so I hope I put it in the right forum...I am not new to Visual Basic, however I am definitely not an advanced user. I would like to build an application that would allow me to interact with other programs on my computer. For example, if I were to build an application that could control iTunes, how would I go about this?
Or, I am looking to make an application that would allow me to do little things on my computer like disable my track pad if I have a mouse plugged in. How would I build something that could interact with windows (or iTunes) like that?
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Jul 23, 2009
I have a windows form that I would like to have search for an html button in the user's browser. I would need the location of the button on the screen.
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Jul 19, 2010
I have a windows form that I would like to have search for an html button in the user's browser. I would need the location of the button on the screen
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May 23, 2011
Can I send an object from client-side javascript to server-side code via ASP.NET ?
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Nov 15, 2009
I have a method that is asynchronously called when System.Net.Sockets.NetworkStream.BeginRead completes.
skDelegate = New AsyncCallback(AddressOf skDataReceived)
skStream.BeginRead(skBuffer, 0, 100000, skDelegate, New Object)
In that callback method, I need to interact with the UI thread.
Sub skDataReceived(ByVal result As IAsyncResult)
CType(My.Application.OpenForms.Item("frmMain"), frmMain).refreshStats(d1, d2)
End Sub
This causes an exception after the method completes. (when End Sub is executed)
[Code]...
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Nov 9, 2011
If only there were an easier way of traversing ASP.NET controls in the codebehind. This has been the bane of my existence as an interning .NET developer. entifying the proper member of the ListView controls. I've deleted all the presentation code in the markup to make it easier to look, since it isn't relevant anyway. Here's the situation:Markup
<asp:ListView ID="NewProduct" runat="server" DataSourceID="NewProductSDS" DataKeyNames="ID">
<ItemTemplate>
[code].....
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Dec 24, 2010
I have a windows service application that is meant to interact with SQL server database (INSERT, UPDATE, ETC). The windows service application is also multi-threaded.I created an "App_Data " folder to keep my database and used app.config file for connection information, etc.
After installing and starting the service, nothing happens, the database doesnt get updated, etc.
Has anyone ever written a windows service application that interacts with a database? Kindly advice me on how to overcome this problem..
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May 14, 2008
I'm trying to put together a simple GUI for ffmpeg (a command-line video conversion, encoder, decoder etc..), mostly for video encoding/conversion... Now I am able to interact with ffmpeg.exe (the command line app that does all the big conversion work) with the System.Diagnostic.Process class (I know how to start the process with the arguments I need etc..) But the problem is, when I'm converting a moderately long video file it can take several minutes to complete...
[Code]...
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