>>O? OK, I add this in FAQ. Thanks. You are right after Click Event this property must be set to NULL
>
>I usually put it in form's Destroy.
I do the same, but there is no need of it after Click Event of the button and could couse some problems if you forget to set it in When event of some of the buttons.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.