event-handling

Onclick not firing

I have a set of buttons on my master page (I have attached the code below) but no onclick event is being raised. I pulled the final page source and no onclick event was present. As you can see I tried a few different approaches to solve the problem. I am looking for a normal postback to the server but I am getting nothing when I click an...

How to cancel any event in winforms?

I want to cancel an event from within that function scope. Eg. I pressed button click event and on false validation, I want to cancel this event. Likewise i want to cancel other events also. How can i do this in C# ...

Shortest way of attaching multiple DOM elements to one event handler using Jquery?

I need to attach a single event handler to multiple DOM elements using jQuery. I'm currently achieving this using jQuery's each() method. See below: $([elm1, elm2, elm3]).each(function() { this.click(eventHandler); }); I was wondering if there is a way to do this without using the each method and closure. I thought I would be able t...

C++ Event (Focus) Handling

Due to comments I added the following code (in BasicPanel) Connect(CTRL_ONE, wxEVT_KILL_FOCUS, (wxObjectEventFunction)&BasicPanel::OnKillFocus); Connect(CTRL_TWO,wxEVT_KILL_FOCUS, (wxObjectEventFunction)&BasicPanel::OnKillFocus); Connect(CTRL_THREE, wxEVT_KILL_FOCUS, (wxObjectEventFunction)&BasicPanel::OnKillFocus); Connect(CTRL_FOUR, ...

VB.NET: WithEvents not Working

Hello All, I have the following classes: Public Class Email Private Shared ReadOnly EMAIL_REGEX = "\b[a-zA-Z]+[a-zA-Z0-9._+-]+@" + _ "[a-zA-Z0-9.-]+\.[a-zA-Z]{2,3}\b" Private _email As String Public Event emailCreated() ' Declare empty constructor private so the only way to create...

C# Event handling In mutiple level /classes

Hi, I have 3 classes A,B,C . Class A creates B .. class B creates class C. Class C raises events after some action/operation with some data, which is handled by event handler in Class B. Now I want to be handle or pass the same raised event data to Class A. I know i can raise another event from class B and handle it in A...

How to name an event handler of a private variable in Vb.Net following FxCop rules and Vb.Net standards?

Hello, On one side, in Vb.Net when you add an event handler to an object the created method is named: <NameOfTheObject>_<NameOfTheMethod>. As I like to have consistent syntax I always follow this rule when creating event handlers by hand. On the other side when I create private variables I prefix them with m_ as this is a common thing...

java Swing Listeners: components listening at each others.

Hi all, I want to code two JList (categories and items). When I click one category it should select all the items for that category and when I click on one item it should select its categories. So both JList will have a ListSelectionListener listening at each other and changing the selection. Should I fear about some a of "loop" ? Is th...

Are event handlers in JavaScript called in order?

I know this is a simple question, but I haven't had the chance to test it in any browser other than Firefox. If I attach multiple event handlers to a single event on a single DOM element, are the event handlers guaranteed to be called in the order they were added? Or should I not rely on this behavior? ...

wxPython: How to handle event binding and Show() properly.

Hi all, I'm just starting out with wxPython and this is what I would like to do: a) Show a Frame (with Panel inside it) and a button on that panel. b) When I press the button, a dialog box pops up (where I can select from a choice). c) When I press ok on dialog box, the dialog box should disappear (destroyed), but the original Frame...

Why does Perl's Net::Msmgr hang when I try to authenticate?

There's Net::Msmgr module on CPAN. It's written clean and the code looks trustworthy at the first glance. However this module seems to be beta and there is little documentation and no tests :-/ Has anyone used this module in production? I haven't managed to make it run by now, because it requires all event loop processing to be done in ...

Checking if a RoutedEvent has any handlers

I've got a custom Button class, that always performs the same action when it gets clicked (opening a specific window). I'm adding a Click event that can be assigned in the button's XAML, like a regular button. When it gets clicked, I want to execute the Click event handler if one has been assigned, otherwise I want to execute the defaul...

jqGrid inline editing event on "Esc" cancel

Does anyone know if jqGrid inline editing throws events that can be handled? The following code is a simple example of what I'm trying to accomplish: jQuery('#list').jqGrid('editRow', 0, true, false, false, false, {onClose: function(){alert('onClose')}}, reloadGrid); I'd like to be able to handle an "Esc" cancel event. The onClose e...

When and where to call the RemoveHandler in VB.NET?

I am working to a VB.NET windows forms projet in .NET 1.1. And I have this type of architecture, very simplified. Public MustInherit Class BaseTestLogic Private _TimerPoll As Timer Public Sub New(ByVal sym As SymbolFileMng, ByVal cfg As LampTestConfig, ByVal daas As DaasManager, ByVal mcf As Elux.Wg.Lpd.MCFs.VMCF) AddHandler ...

jQuery change method on input type="file"

I'm trying to embrace jQuery 100% with it's simple and elegant API but I've run into an inconsistency between the API and straight-up HTML that I can't quite figure out. I have an AJAX file uploader script (which functions correctly) that I want to run each time the file input value changes. Here's my working code: <input type="file" ...

Customizing Mail Message in SSIS Event Handler

I want to add an email notification to an SSIS 2005 package event handler. I've added a Send Mail task to the event handler. I'd like to customize the email body to include things like the error description. I've tried including @[System::ErrorDescription] in the MessageSource field, but the mail message doesn't include the value of E...

How can I run a JavaScript function every time an HTML element is resized?

I need to run a script every time a table is resized (whenever the user resizes the browser window). Does anyone know how this can be done? ...

Problem with event receiver in visual studio 2010

Hi everyone, I am trying to figure out how to get the title of a list item from the base.ItemAdding(properties); I know it's somewhere in properties, because what I want to do is copy the item that was just added to another list, meaning that the same item will be added to another list, can anyone help me get the the value of the fields...

Why does this C# event handler not respond to this event?

The following code is a silverlight application but the same happens in WPF, so it seems to be just something I'm missing regarding the delegate, event, etc. Can anyone tell me why the following code successfully executes this event: OnLoadingComplete(this, null); but never executes this event handler? void initialDataLoader_OnLoadi...

C# - Removing event handlers - FormClosing event or Dispose() method

Suppose I have a form opened via the .ShowDialog() method. At some point I attach some event handlers to some controls on the form. e.g. // Attach radio button event handlers. this.rbLevel1.Click += new EventHandler(this.RadioButton_CheckedChanged); this.rbLevel2.Click += new EventHandler(this.RadioButton_CheckedChanged); this.rbLevel...