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; } }