Issue with top of page event

Hi All,

In my Report i am printing both interactive and alv grid display in same report.means i have one check box it is then report print as a alv format otherwise classical format.

But here i have small problem i am trying print in alv format its automatically trigger the top of page event thatsway a blank screen is generated so please tell how to skip the Top of page event.

Regards,

Venkatesh