Hi Andi!
Probably, the Treeview control will do the job for you...
>
>I need "Drill down" capability in my grid control (VFP 5.0). I've created
a
>report that is sent to the screen and displayed using a grid control and
>some cells contained values that is related to a more detailed
>transactions. If a user double-clicks on a cell, I want to show another
>grid containing more detailed information about the cell.
* Human is a question asked by birth and answered by death. Machine is another kind of question with another kind of answer