WebDataMenu1.ClientEvents.ItemCollapsed = "WebDataMenu1_ItemCollapsed"
WebDataMenu1.ClientEvents.ItemCollapsed = "WebDataMenu1_ItemCollapsed";
// The client event 'ItemCollapsed' takes two parameters sender and e // sender is the object which is raising the event // e is the DataMenuItemCancelEventArgs function WebDataMenu1_ItemCollapsed(sender, e) { //Gets the DataMenuItem object that is collapsed var Item = e.getItem(); //Gets the text of the collapsed item var ItemText = Item.get_text(); alert("Item '"+ ItemText +"'Collapsed!!!"); }