WebDropDown1.ClientEvents.ItemInserted = "WebDropDown_ItemInserted"
WebDropDown1.ClientEvents.ItemInserted = "WebDropDown_ItemInserted";
// The client event 'ItemInserted' takes two parameters sender and e // sender is the object which is raising the event // e is the DropDownControlEventArgs //Fires only when items are added programmatically on the client-side function WebDropDown_ItemInserted(sender, e) { //Gets the drop-down item that is inserted var item = e.get_value(); //Gets the text of the drop-down item var text = item.get_text(); //Gets the index of the drop-down item var index = item.get_index(); alert("New Item '"+ text +"'inserted at index " + index); }