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• Gridview - Is it necessary to grab data from database every time a filter, sort, or paging event occ

  - by hamlin11

  Regarding gridviews that are not bound to a Data Source Control: In most GridView tutorials that I have seen, when just about any GridView event occurs, the end of the event handler will include BindDataGrid(). In some form, these BindDataGrid() functions 1) Grab data from the database 2) Assign any Filter or Sort expressions to the data, and 3) Bind the gridview to that data source (usually a DataView or DataTable. Is there a better way to provide filterable & sortable data to a GridView without having to hit the database so often? Thanks

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• Radio button's change event doesn't fire in WebKit when using keyboard for input.

  - by Kappers

  Demo: http://jsfiddle.net/55ucw/1/ In any browser other than Safari or Chrome, I can tab into a set of radio buttons and select one using the arrow keys and the change event will fire. In Safari or Chrome, I can tab into a radio group, and select a radio button with arrow keys, but the change event never fires. Am I missing something?

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• which inotify event signals the completion of a large file operation?

  - by Jeremiah Rose

  for large files or slow connections, copying files may take some time. using pyinotify, i have been watching for the IN_CREATE event code. but this seems to occur at the start of a file transfer. i need to know when a file is completely copied - it aint much use if it's only half there. when a file transfer is finished and completed, what inotify event is fired?

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• What about the event before order save in onepage checkout in Magento 1.4?

  - by alex

  I write a function use observer in 1.3.2.4,the event name is "checkout_type_onepage_save_order". Now I want to move it to 1.4,but I see that the event "checkout_type_onepage_save_order" is disappeared,so I want to know how to write a observer before order saved in onepage checkout?

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• How do I make sure no handlers are attached to an event?

  - by Edward Tanguay

  I am adding an event handler like this: theImage.MouseMove += new MouseEventHandler(theImage_MouseMove); but in my application, this code gets run every time the page is shown, so I want to attach the event handler only once, but how can I tell if a handler has been set yet or not, something like this: if(theImage.MouseMove == null) //error theImage.MouseMove += new MouseEventHandler(theImage_MouseMove);

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• How do you raise a .Net event from an IronRuby class?

  - by Brian Genisio

  I'm trying to figure out how to implement an event in a ruby class. Specifically, I am trying to make my class implement an interface (INotifyPropertyChanged) that includes an event (PropertyChanged). I can create my add_PropertyChanged and remove_PropertyChanged methods... but then what? This is what my class looks like so far: class TestClass include System::ComponentModel::INotifyPropertyChanged def add_PropertyChanged(handler) end def remove_PropertyChanged(handler) end end

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• Access 2007 can I capture the "clicked" field using an OnClick event on a report?

  - by Aaron Quince

  In Access 2007 I want to be able to click on a name field in a report and call a separate report with personal information about the person who's name was clicked to start the event. This would be as an alternative to creating a subreport or including the subreport fields in the main report in the interest of saving space. How do I reference the value of the clicked field for use in a query called with the OnClick event? Thanks for your help.

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• KeyDown Event is not responding till any user control is clicked or setFocus implicitly ?

  - by Subhen

  KeyDown Event is not responding till any user control is clicked or setFocus implicitly . I want to fire the key event after the page loads , anytime. I tried like : private void Page_KeyDown(object sender, KeyEventArgs e) { if (e.Key.ToString() == "Escape") { string uri = "/Views/Music/ArtistbyAlbum"; this.NavigationService.Navigate(new Uri(uri, UriKind.Relative)); } } void LayoutRoot_KeyDown(object sender, KeyEventArgs e) { MessageBox.Show("hi"); } Please help. Thanks, Subhen

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• How to determine the event of the linux devices?

  - by sasayins

  Hi, I am learning some embedded programming. I am using Linux as my platform and I want to create a daemon program that will check if a particular device(magstrife, keypad, etc) is active. Like for example, my daemon program is running in the background, then when I make a keypress event, my deamon app will do something. What implementation should I do to create this app? And how can I check the event of the devices? Thanks.

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• How to bind to localStorage change event using jQuery for all browsers?

  - by David Glenn

  How do I bind a function to the HTML5 localStorage change event using jQuery? $(function () { $(window).bind('storage', function (e) { alert('storage changed'); }); localStorage.setItem('a', 'test'); }); I've tried the above but the alert is not showing. Update: It works in Firefox 3.6 but it doesn't work in Chrome 8 or IE 8 so the question should be more 'How to bind to localStorage change event using jQuery for all browsers?'

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• Resize event does not fire in Firefox, but I need to handle focus when FancyBox is shown

  - by Christian Nielsen

  I am working on a solution where I need to have the first input field selected when a fancybox is shown. I have tried reacting to the resize event, which works fine in IE but not in Firefox. Also tried reacting to the click event on the link that opens the box - but aparently this is too early so some other element steals focus afterwards. Any ideas??

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• How to store a scaleable sized extensible event log?

  - by firoso

  Hello everyone! I've been contemplating writing a simple "event log" that takes a paramater list and stores event messages in a log file, trouble is, I forsee this file growing to be rather large (assume 1M entries or more) the question is, how can I implement this system without pulling teeth, I know that SQL would be a possible way to go. XML would be ideal but not really practical for scaleability if i'm not going nuts. Example Log Entry -----Time Date-------- ---------Sender----------------------- ---------Tags---------- --Message---------- 12/24/2008 24:00:00 $DOMAIN\SYSTEM\Application$ :Trivial: :Notification: It's Christmas in 1s

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• How to use SerialPort in .Net by using DataReceived event?

  - by linjunhalida

  I know the DataReceived event is fired on a background thread. How do I tell the GUI thread to show the data in the event handler?

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• what is the event to handle row scrolling in EXTJS Gridpanel?

  - by user1480705

  I am displaying data in a GridPanel. My requirement is to hide some menu items based on the row selections. I have this perfectly working when a user clicks or rightclicks - i am handling the event for rowclick and rowcontextmenu respecitvely. But i am facing issue to locate the event - If the user first clicks on the row and them use up and down arrows to move on to other rows. Thanks in Advance

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• .NET System.Timer Question - Event triggered when Timer.Start() is called?

  - by mallows98

  Hi all, I just would like to clarify: When a timer's autostart is set to true, does it execute the elapsed event automatically, or just wait for the elapsed interval then executes the event? Thank you!

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• In Winforms, why is there no databound event on combobox as there is in ASP.NET dropdown?

  - by Matt

  In Winforms, why is there no databound event on combobox as there is in ASP.NET dropdown? Is there any way to mimic the event?

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• How to get status code(409 for conflict) and message("your code is conflict") through falut event in

  - by Ankur

  I am calling a server method through HTTPService from client side and in response i am sending sending status code(409 for conflict) and message("your code is conflicted") from serverside on error but on client side in fault event i am getting status code 0 and message = "faultCode:Server.Error.Request faultString:'HTTP request error' faultDetail:'Error: [IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2032: Stream Error. URL:" I want to know how to get the actual status code and message in fault event.

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• How to define click event for UISegmentedControl in iphone?

  - by Warrior

  I have implemented UISegmentedControl in my application. None of the button is selected in normal state. I want to implement button click event when first segment is selected and another event when another button is clicked. Thanks in advance.

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• Why is this event declared with an anonymous delegate?

  - by John_Sheares

  I have seen people define their events like this: public event EventHandler<EventArgs> MyEvent = delegate{}; Can somebody explain how this is different from defining it without it? Is it to avoid checking for null when raising the event?

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• C# Is it possible to wire up an event to a method when it is finished?

  - by Martijn

  I have a .dll file and in there, there's a method called A. When I call that method I'd like to call a method of my own, method B. So my question is, is it possible to call method B immediately when method A is finished? Offcourse I can call method A and after that call method B manually. But I was wondering is there a manner to do this automatically, maybe with an event? So when method A is finished the event gets fired somehow and method A is called.

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• Javawebparts Ajaxparts: Using same Axis event multiple times in signle form.

  - by Bloodboiler

  I'm using Javawebparts Ajaxparts and would like to use one axis event multiple times in a form. Problem is that std:InnerHTML responseHandler takes its target html tag id in axis-config.xml so it seems impossible to reuse the definition when only thing that should change is the target tag id. Is there a way to set responseHandler parameters on the the page where it is used (in asix:event tag or someting)?

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• Actionscript 3 (Flex) - How do you clone an object including copying the event handlers/listeners?

  - by RR

  I want to clone an object of a class (whose source code I do not have) and copy all of the associated event handlers from the original object to the new cloned object. Does anyone know how I can do that? I know how to copy the properties from the original to the new, but can I iterate over all the event handlers and add them to the new object? Any ideas?

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• Could I find the function invoked by an event in run-time?

  - by Paul

  I want to find that when a user fires an event, such as click a button, what function(s) does this event invoke in run-time? Would it be possible? Thanks!

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• How to cancel click event of container div trigger when click elements which inside container in JQuery!?

  - by qinHaiXiang

  E.g <div class="container"> <div class="inside">I am not fire when click me</div> </div> $('.container').click(function(){ // container do something here }); but,when I click the div inside it also trigger the container's click event because the div is inside the container, so , I need a way to prevent the container event trigger when I click on the inside div! Thank you very much!!

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• What event should I handle to execute code when WinForms application switches from Run mode to Desig

  - by dotnetuser

  I am running a Windows form application and I need to execute a piece of code when I switch to design mode. I have a handler for the OnEnterDesignMode debugger event and this gets hit if I am debugging the application and then switch to design mode. However, this does not get hit if I initially start without debugging and then switch to design mode. What event do I need to handle in order that certain code is executed when switching from Run mode to Design mode?

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