Inclass 1

1. Open the project from In Class 0.6. (last week)
2. Add all the database items you need to handle a query
3. Create the query to get all courses taught by a given professor
4. Create a dialog that will give a combobox containing a list of professors in order of their appearence in the ProfTable.
5. Connect the selected item from the combobox (ok in the dialog) with a ProfTable database and use the id from this prof to complete the query
6. Display the results of this query in the listbox in the main window.