Print No of line with out disturbing the table height

Hi Everyone,

I am using Microsoft dynamics Navision 2013.

I am facing one problem with rdlc report.i was created one purchase order report with A4 size and added one header and footer for corresponding report.Under body section i was taken one table, in that  body section i have given ten table rows.when i am previewing the report it works fine for one line transaction but it is not working for more than one line,it is disturbing the report height and dimentions.how can i repeat the more than one line data under the specified table lines.how can i resolve this problem..please share your replies.