<com:TForm> <com:TCallback ID="callback1" OnCallback="method1" /> <com:TCallbackOptions ID="options1"> <prop:ClientSide.OnSuccess> var link1 = Prado.CallbackRequest.getRequestById('<%= $this->link1->ClientID %>'); Prado.Callback('<%= $this->callback1->UniqueID %>', link1.getCallbackParameter()); </prop:ClientSide.OnSuccess> </com:TCallbackOptions> <com:TActiveLinkButton ID="link1" Text="Tab 1" OnCallback="method2" ActiveControl.CallbackParameter="test" ActiveControl.CallbackOptions="options1"/> <com:TActiveLabel ID="status1" /> <com:TActiveLabel ID="status2" /> <com:TJavascriptLogger /> </com:TForm>