I can't understand of interactionfunction of those ComboBox, Button and TDBCtrlGrid
Hello everyone,
I attached here my designed small program. The problem is that I can not make them work as one team... I'm using the ComboBox, Button and TDBCtrlGrid and I can not write codes that the code work as these ComboBox, Button and TDBCtrlGrid interaction togather, what I should do, what code should I write?