Introduction - If you have any usage issues, please Google them yourself
Delphi: Delphi will add the contents of the database to a combination of drop-down box, which is to add the content database to the drop-down box, drop-down box to achieve dynamic loading, which the data is read out through the database, so these values ??can be placed background maintenance, modification of the database where the value will follow after the change, the more practical Delphi database skills.