Introduction - If you have any usage issues, please Google them yourself
A suitable learning Delphi merchandise sales inquiry procedure, based on SQLServer database, in order to facilitate the testing, I have a database file is packaged in Database directory, test before you attach. The program can be set up custom query criteria query data, such goods can select a period of time, you can choose the product to query related attributes, data encryption system can be written on Delphi technique.