WebDataMenu1.ClientEvents.ItemExpanded = "WebDataMenu1_ItemExpanded"
WebDataMenu1.ClientEvents.ItemExpanded = "WebDataMenu1_ItemExpanded";
// The client event 'ItemExpanded' takes two parameters sender and e // sender is the object which is raising the event // e is the DataMenuItemCancelEventArgs function WebDataMenu1_ItemExpanded(sender, e) { //Gets the DataMenuItem object that is expanded var Item = e.getItem(); //Gets the text of the expanded item var ItemText = Item.get_text(); alert("Item '" + ItemText + "'Expanded!!!"); }