Build and run your version of Enroll Step 3. Try the new Add, Refresh, and Delete commands. Try forcing the two exceptions handled by Enroll — try to delete a section that has Enrollment records, and try to add a duplicate section.
When you finish, exit the program.
This completes the database tutorial.
Note The sample source code for Enroll includes a fourth step, not covered in this tutorial. To read a summary of what’s included in Step 4, see Enroll Step 4 in Tutorial Steps in Lesson 1 of Enroll. To jump directly to the Enroll sample abstract and copy the code to your hard drive, see ENROLL.