How to print Crystal Report using 2 dataset in c#

Question

How to print Crystal Report using 2 dataset OR from 2 tables in C# having foriegn key relationship between them.
  I have 2 tables one is Customer and 2nd is Products and i want to display Customer details at the top of the report and corresponding products from Product table.
 And I also want to print the last inserted record..please help friends...!!!