Smartforms: 2nd page mainwidow problem

Hi Friends,

In smartforms, I've print the header details in first page and item details in second page.

In my case, the 2nd page mainwindow is not displayed. If i change the mainwindow as secondary window then it displays the data.

I'musing COMMAND statement in the first page to display the second page.

Thanks with Regards,

Vallamuthu M