How to display the last inserted records in crystal report

Hi. I have a Sales form. I want that when the user sales 1 or more than 1 product to the customer and after pressing the submit button, the record saves in DataBase and Crystal report of those last inserted records will be created. In simple words i want to create a simple Crystal Report, on which i want to show the last inserted records from DataBase.

Please guide me that how to this?