Version

ActivationChanged Property (DropDownClientEvents)

Syntax
'Declaration
 
Public Property ActivationChanged As String
public string ActivationChanged {get; set;}
Example
WebDropDown1.ClientEvents.ActivationChanged = "WebDropDown_ActivationChanged"
WebDropDown1.ClientEvents.ActivationChanged = "WebDropDown_ActivationChanged";
// The client event 'ActivationChanged' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DropDownActivationEventArgs

function WebDropDown_ActivationChanged(sender, e) {

    //Gets the new active DropDownItem object
    var newActiveItem = e.getNewActiveItem();

    //Gets the old active DropDownItem object
    var oldActiveItem = e.getOldActiveItem();

    //Gets the text of the new active item
    var newItemText = newActiveItem.get_text();

    if (oldActiveItem != null) {
       //Gets the text of the old active item
        var oldItemText = oldActiveItem.get_text();
        window.status = "New Active Item : " + newItemText + "; Old Active Item : " + oldItemText;

    } else {
        window.status = "New Active Item : " + newItemText;
    } 
}
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also