> When the key field in the master table contains a value,
> how can I remove the lookup key value from my master
> table? The LookupCombo shows only valid records from
> the lookup table. Is there any possibility to display
> a configurable text (i.e. "<none>") in the LookupCombo
> which inserts NULL into the master's table key field
> when the user selects it?

I am not certain I understand what you are looking for. When you
delete the contents of the lookupcombo (select all the text and press
delete) then the lookup sets null and display blank. Is this not good
enough?

Geoff Worboys
Telesis Computing