How to show rows-records between two tab form?

in my Form, I have Two TabPage, with the same DataSource: TabPageA - TabPageB.

In TabPageA I have all records form my dataSource, I select in TabPageA some records and I want to only show in TabPageB just fields related the fields selected in TabPageB.

If I don't selecte nothing in TabPageA I dont' see nothing in TabPageB

Can you help me?

Thanks!