WebDataMenu1.ClientEvents.KeyDown = "WebDataMenu1_KeyDown"
WebDataMenu1.ClientEvents.KeyDown = "WebDataMenu1_KeyDown";
// The client event 'KeyDown' takes two parameters sender and e // sender is the object which is raising the event // e is the DataMenuItemCancelEventArgs function WebDataMenu1_KeyDown(sender, e) { //Gets the DataMenuItem object that is going to be selected var Item = e.getItem(); //Gets the text of the item var ItemText = Item.get_text(); if (!confirm("Are you sure you want to navigate from or select or unselect the item '"+ItemText+"'?")) //Cancels the KeyDown e.set_cancel(true); }