ValueChanged プロパティ (DropDownClientEvents)

// The client event 'ValueChanged' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DropDownEditEventArgs
function WebDropDown_ValueChanged(sender, e) {

    //Gets the new value in the  value display
    var newValue = e.getNewValue();

    //Gets the old value in the value display
    var oldValue = e.getOldValue();

    window.status = "New Value : " + newValue + "; Old value : " + oldValue; 
             

}