HOW Get Data on infopath office 2003 From databse using stored procedure

Question

Hi,
I have a stored procedure which returns multiple columns from multiple tables. Now i want to generate report on infopath (MS office 2003).
we have used earlier excel sheet to generate report on client machine using C# application. In the same way , i want to generate report in infopath.
Do any body have any idea on this.Your help will be appreciated.
Thanks & Regards
Eagle V.
Note: Which Calss and assembly reference need to used in this?