Please, find attached a new package with DBTreeView and DBCntrlGrid components.https://bugs.freepascal.org/view.php?id=38336The Github repo:https://github.com/ZGabrovski/DBTreeViewAndDBCntrlGrid
There is a lot of bugfixes in TDBCntrlGrid.You can update the package.
Please find attached new bugfix update.Regards,Zdravko