Invoke A Javascript Function Through COM Interop?
Aug 11, 2009
I have a VB.net class registered for COM interop which I'm instantiating within an HTML page using the following code:
<script type="text/javascript">
var MyClass = new ActiveXObject("Namespace.TestClass");
</script>
[code].....
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Feb 26, 2010
Currently in our VB.Net windows application, C libraries are present under the 'bin' directory but we want to store it under application root directory where other forms and classes are present...How can we do this in Vb.Net 2008?
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Dec 20, 2011
I'm using VB.NET 2008. I am building an application which had a webbrowser named "browser1". When I navigate a URL on it like [URL] it successfully loads the page. I am using the code to inject a javascript file in this page.
Dim mScript As HtmlElement
Dim mHead As HtmlElement
Dim jsPath As String
jsPath = (SoftwareROOT.Replace("", "/")) & "/plugin.js"
[code]....
The code successfully creates the new element. But when it is trying to invoke script (the 2nd last line) then it fails to run the script.
Note: File path is OK.Code successfully works with a local page (like "c:est.html")."plugin_main" is a simple function of javascript alert().
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Jan 30, 2012
I use this code to invoke a function from a string, which I build in my application:
Public Class Form1
Dim f As New Foo
Dim methodName As String
Dim result As Object
[code]....
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Mar 16, 2010
I've got the following code:
[code]...
The problem is that, when I call the "SetStatusBarText" sub from another thread, InvokeRequired is True (as it should be), but then my threads stall on the Me.Invoke statement - pausing execution shows them all just sitting there, not actually invoking anything.
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Feb 6, 2010
I wanna invoke a function when user presses ctrl+F .The function works same like searching a string in word or notepad but in my project i m searching whether entered string exist in datagridview. How to get the key code in vb.net
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Sep 17, 2010
is it possible to invoke a function which name I know at runtime only.
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Nov 9, 2009
I have a relatively simple question regarding the best way to call the DataGridView.Rows.Add function when it is inherited into the current control. Which is the best way to make the call to the inherited control? Call it directly in the invoke or call it using recursive-like function? They both seem to produce the same result, a row gets added and the quantity is returned, but which is the most efficient?The delegate: Private Delegate Function ReturnDelegate() As Object
The two ways are:
A)
Private Overloads Function AddRow() As Integer
If InvokeRequired Then
Return CInt(Invoke(New ReturnDelegate(AddressOf AddRow)))
[code]....
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Nov 10, 2005
I'm currently invoking a function that takes ByRef parameters using Control.Invoke (which I notice specifies the Object parameter array to be ByVal) but the array of parameters I give it isn't updated by the function. Is this possible with VB.Net 2003 or must there be some error in my code?
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Oct 4, 2010
What is the Invoke syntax to marshall data from a background thread receive callback method to a function on the UI Thread?(Form1).
Public Class Form1
MyDelegate = New DisplayData(AddressOf DisplayData)
Private Sub Form1_Load()
MyDelegate = New DisplayData(AddressOf DisplayData)
[code]....
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Jun 14, 2012
Possible Duplicate:
calling ASP function from javascript
okay running this code :
<script type="text/javascript">
[code].....
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Mar 1, 2012
In My project, i have Multiple Forms in which same Function name with return values. i like to convert the String name to Form Object and try to call the user defined function in the corresponding form from the Module I am using vb.net 2008 .
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Mar 15, 2010
I am trying to invoke the onclick function in an html page that displays content. I am using the httpwebreqest control and not a browser control. I have traced the function and tried to find the link it calls but looking at the code below I tried inserting the link into the browser with the main url but it does not work.
[Code]...
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Jan 31, 2012
i have a java script function which help to calculate the total cost by taking the price * by the quality
<script type="text/javascript">
$("[id*=txtQuality]").live("change", function () {
if (isNaN(parseInt($(this).val()))) {
[code]....
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May 9, 2009
I am using textbox(txtFileType) with event OnFocus=("this.blur();"), so I can't use textchanged event for this textbox, I have written a vb code to calculate my FileNumber using Storeprocedures based on the value of textbox(txtFileType). Can I call this vb code from javascript which can be used in clientside.. please help with an example..
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Jun 14, 2012
i have this question i was trying to find a way to call a javascript function from asp controllers and i did here is the code :
<script type="text/javascript">
function hello() {
alert("hello world")
[Code]....
and i want to call it from a javascript function so it will be like controller----call---> javascript ---call--->code behind
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Dec 19, 2010
How can I call a javascript function at the end of a vb.net S
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Jun 22, 2010
i make a program use javascript to call VB.Net function..but it doesn't work...can somebody help me to check this code...Imports System.Runtime.InteropServices
[Code]...
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Dec 15, 2011
i want to add a javascript File or Function to vb.net application web browser. i am using this function:
Dim mScript As HtmlElement
Dim mHead As HtmlElementCollection
mHead = Browser1.Document.GetElementsByTagName("head")
[Code]....
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Jul 12, 2011
I have a VB.NET function which looks like this:
<WebMethod()> _
Public Shared Function AuthenticateUser(ByVal UserInfo As String, ByVal Password As String) As Boolean
Dim UserName As String
[code]....
It calls the function, but won't return a value. When walking through the code, my VB function does fire (it will return true so long as the correct password is typed in), but the javascript 'authenticated' value remains 'undefined'. It's like you can't return values from VB functions to javascript.
I also tried
if PageMethods.AuthenticateUser("UserName", "Password")
{
//Stuff
}
But still no luck.
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Jun 11, 2012
In my project, there are 3 user controls; BasicContact, BasicDetail and ActionTime. They are in EditOrder.aspx page. There is "ReportDate" property (Date type) in BasicContact, RadioButtonList "rdl_Priority" (with integer value from "prio_id" field) in BasicDetail and "CheckDate" property in ActionTime. The ReportDate value is derived from txt_ReportDate and txt_ReportTime and CheckDate value is derived from txt_CheckDate and txt_CheckTime.
[Code]...
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Feb 10, 2012
I have a function that is responsible for populating an SSRS report. The user presses a button and I go out and check to see if there is data. If no data, I provide a NO DATA message. If there is data I call the SSRS report which I would like to open in a new window.
<script type="text/javascript">
function openWindow(url) {
document.forms[0].target = "_blank";
}
</script>
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Apr 5, 2010
have a subroutine called CheckDate() in the code behind.
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May 4, 2009
i am selecting values to my textbox from a popup window and i hav used onfocus="this.blur();" for textbox, i want to disable this function in editbutton while i want to edit . i cant use readonly since the value is not passed to server due to postback,
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Aug 31, 2011
I have the following code which I want to run when the page first loads and then again when an update panel (asp.net) is run. Therefore I need to use function pageLoad() rather than document.ready.
function pageLoad() {
$(".zoomImage").each( function() {
$("<img src='"+$(this).attr("src").replace("-thumb.jpg",".jpg")+"' />").appendTo(".howitworksText > div");
});
};
Problem is I can only get this working with document.ready - so therefore not when the updatepanel is run.
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May 30, 2011
I read alot about this on this forum, but I cant make it work.I want to use the ajax function on my asp.net web application
[Code]...
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Sep 7, 2010
So I have an .aspx page loading up and populating drop downs based on a lookup table in the database. What we want is for the user to be able to configure which of these values comes defaulted by specifying that value in a drop down somewhere else in the app. Now, it's easy to default the "first" value, or something like that, but we want this to act differently. Is there a JavaScript function that can run immediately after onLoad (so the drop downs are populated already), that can go through the drop down and make one of those default so it looks like the page is loading with that set as default and people don't realize the workaround? (weird masking, etc.)
Here is an example of how we add the dropdown control to the page:
With CType(.AddControl(New Controls.ComboBox("CodeId", "../../../../CodeId", "Code")), Controls.ComboBox)
.ForceSelection = True
.ValueField = "LookupID"
.DisplayField = "LookupDesc"
.Validate.AllowBlank = False
.ForceSelection = True
.ReadOnly = EditControl.IsFieldReadOnly(10580)
.BindData(Model.Codes)
End With
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May 25, 2009
I need to find a way to call a vb.net function in my aspx page from javascript. I have a Jquery function that makes the .drop class .droppable, and whenever I drop a .draggable onto a drop target, my Jquery code successfully fires a java alert statement. All in pure javascript. What I need to do is some heavy math!
[Code]...
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Feb 18, 2010
MotherTongueTxtBox.Attributes.Add("onblur","val_Length(MotherTongueTxtBox.text,"hi friends",Length);")
in the above statement val_length s a javascript function in tat function the first parameter shd b the contents of the text box ,the second parameter s a string type, is the statement correct i think it s wrong can u suggest a correct valid statement
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Jul 1, 2011
I have written some code there are 27 different functions that execute like this..
[Code]...
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