When on the Add page, you might want to populate some edit boxes with previously used values. This can be done by using a combination of Default values and an AfterAdd Event.
Lat's say you need to enter several data records for each Employee. To populate the Date and Employee fields with the most recent values, you need to complete the following steps:
1. Set Default values of those fields to $_SESSION["Date"] and $_SESSION["Employee"] respectively. This can be done in the "Edit as" settings dialog.