Me.WebTab1.ClientEvents.KeyDown = "WebTab1_KeyDown"
this.WebTab1.ClientEvents.KeyDown = "WebTab1_KeyDown";
// The client event KeyDown takes two parameters sender and e // sender is the object which is raising the event // e is the TabItemCancelEventArgs function WebTab1_KeyDown(sender, e) { //Gets the index of the tab raising the event var tabIndex = e.get_tabIndex(); if (tabIndex == 1) //Cancels the KeyDown event if tab index is 1 e.set_cancel(true); }