Me.WebTab1.ClientEvents.SelectedIndexChanging = "WebTab1_SelectedIndexChanging"
this.WebTab1.ClientEvents.SelectedIndexChanging = "WebTab1_SelectedIndexChanging";
// The client event SelectedIndexChanging takes two parameters sender and e // sender is the object which is raising the event // e is the TabSelectedIndexChangingEventArgs function WebTab1_SelectedIndexChanging(sender, e) { //Gets the new selected index var newIndex = e.get_tabIndex(); //Gets the old selected index var oldIndex = e.get_oldTabIndex(); if(oldIndex == 2) //Cancels the SelectedIndexChanging event e.set_cancel(true); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2