Only copying the BDE file is not working, but also to write a registry: required registry project includes: 1. BDE dynamic connection library file location settings KEY: "HKEY_LOCAL_MACHINE / SOFTWARE / BORLAND / DATABASE ENGINE" Item: "DLLPATH" Value: BDE Dynamic connection library file location, such as "C: / Program Files / Borland / Common Files / BDE" (Open "C: / Program Files / Bort2.hlp", look for "core files" Understand the role of BDE dynamic connection library files) 2. BDE language drive file path settings Key: "HKEY_LOCAL_MACHINE / SOFTWARE / BORLAND / BLW32" Item: "Blapipath" Value: BDE language drive file, such as "C: / Program Files / BORLAND / COMMON FILES / BDE "(BDE language driver is those * .bll files) 3. Specify the available BDE language driver file key:" HKEY_LOCAL_MACHINE / SOFTWARE / BORLAND / BLW32 "Item:" locale_lib # "(# means numbers, Such as "locale_lib1", "local_lib3", etc.) value: Specify each BDE language driver file, such as "C: / Program Files / Borland / Common Files / BDE / USA.bll" (Generally required language-driven files "USA.bll "" Europe.bll "and" Fareast.bll ", for insurance, it is recommended to set all the language drivers. On the machine installed in Delphi3, open the registry with regedit, see how you set it out. )
