This isn't really supported, so I will give you steps on how to get this done, but other than that, I can't give you much help.
You could have a recordset that gets all the entries that are stored in the database. Then have a loop that goes through them and sets session variables with the name if the spot number is found. So you'd have 100 session variables if all 100 spots are taken. Then in the boxes, you would do an isset check on the session variable and display the value of the session variable if it is set. Otherwise, you'd just set the box to display normally.