Reg : Adobe forms

Dear Techies

In Adobe Forms Im displaying Internal table Data

In My Internal Table Contains

Some Item Wise Invoice Details

For Example

Invoice-No Item No value

90000 10 20,000

90000 20 15,000

90000 30 12,300

90001 10 45,789

90001 20 56,233

........

......

In that scenario i want to display invoice- No 90000 in One Page ( It may Go N number of pages... )

After Invoice-No 90000 I needs to display Invoice no : 90001 with New page ...

How to check the Conditions ... Kindly Help...