crystal report problem in details section

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VB

I have a crystal report of more records in a table.

Table headers are written in 'page header',
Records are displayed in 'Details section',I have seperated the record using lines.
and then I have a "Total Charge" displayed in 'report footer'.

In another 'report footer' I wrote 'terms & conditions'.

My problem is, that when a report is more pages long, then page header is always displayed (even if there is only report footer on that page).

and because I have a table in details and page header, there are a lot of lines on the last page.How to avoid these lines.