Me.WebTab1.ClientEvents.AjaxLoaded = "WebTab1_AjaxLoaded"
this.WebTab1.ClientEvents.AjaxLoaded = "WebTab1_AjaxLoaded";
// The client event AjaxLoaded takes two parameters sender and e // sender is the object which is raising the event // e is the TabItemEventArgs function WebTab1_AjaxLoaded(sender, e) { var tab = sender; //Gets the index of the tab raising the client event var tabIndex = e.get_tabIndex(); //Gets the collection of tabs var tabs = tab.get_tabs(); //Gets the text of the tab raising the event var tabText = tabs[tabIndex].get_text(); //Assuming you have a label called labelOutput on the form var label = $get('labelOutput'); label.innerHTML = "Ajax loaded for tab with index " + tabIndex; }