Can anyone tell me how to capture the Key-up & Key-down in the selection part
(left hand 'margin') of a datagrid, i.e. when navigating up and down the
datagrid using the up and down arrows.

I have tried to capture them in the "Key-UP" event, but this only seems to
work inside the contents of the datagrid.

Can you explain your situation a little more? When you say margin are you referring to the area surrounding the datagrid?

Like this:
____________
| margin here
|m _______________
|a |datagrid here
|r |
|g |
|i |

Yes that's it, the 'selection' margin on the left hand side of the datagrid. In this 'margin' there is normally a black > indicatiing which row is selected. I think it's also known as the row header. It's a shame I can't post an image on this forum.

I can capture the mouse-up event when the user selects a new row, but what I can't seem to capture is the key-up (or down or press) event if the user naviagates up and down the datagrid using the up & down keys.

On another forum, someone suggested using the form key up/down event, but this doesn't seem to work for me either (unless of course I am coding this bit wrong which is entirely possible).

Any

Can you post your code?