Try to isolate your problem. Maybe you've overseen an event that causes to
refresh both grids. If not you can use BeforeScroll and AfterScroll event of
TIB_Query to Disable/EnableControls of other TIB_DataSource...

Mit freundlichem Gruss & Best Regards
Andreas Pohl
ibp consult

> When I run the application all the data for both tables show
> correctly. The problem is when I scroll through either grid the
> current edit control in the other grid flickers. I've tried changing
> all the properties that I could, but still the flicker. This behavior
>