How can I add record from listbox using a button?

J

Justin

My form show 3 list boxes:

1. A list box of student tutors
2. A list box shows the courses the tutors can teach based on the selection
of a tutor in box #1.
3. A list of all courses offered in the college.

What I want is for this for to add courses from the #3 Box to the table that
the #1 & 2 boxes are based on (which is the same table) when I push a button,
then update the lists to show the changes.

When the button is pressed, the contents of the #2 listbox will be scanned
to ensure no duplicates and display an error message if there is.
 
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