OnClientTransferring
The OnClientTransferring client-side event occurs when the selected item is about to be transferred to the destination RadListBox. This event can be cancelled.
The event handler receives two parameters:
The instance of the listbox firing the event
An event arguments parameter containing the following methods:
get_item() - returns the item that is about to be transferred.
get_items() - returns an array of items that are about to be transferred
get_sourceListBox() - returns the instance of the source RadListBox which the item currently belongs to
get_destinationListBox() - returns the instance of the destination RadListBox where the item is transferring to.
set_cancel() - lets you cancel the event and prevent items from being selected.
get_domEvent() - returns the DOM event object
The example below shows how to ask the user before transferring the item:
function onClientTransferringHandler(sender, e) {
if (!confirm("Are you sure?")) {
e.set_cancel(true);
}
}