>I have a Grid with CheckBoxes in one of the Column. When the
>user checks or unchecks a CheckBox I want to the change the
>Caption of that CheckBox to "YES" (Checked) or SPACE (Unchecked).
>I do that via the InteractiveChange Event. However, when I do so
>the caption of all the CheckBoxes in that column change, not just
>the caption of the one the user clicked on.
>
>How can I do it ?

The ckbx's refresh() fires before it updates the value. Therefore, in the refresh:

dodefault() && this forces the update of .value with whatever it should be
if empty(this.value)
this.caption=[ nope ]
else
this caption=[ yup ]
endif

That did the trick for me, and was unrelated with grids.