>I have a listbox where the definition is like this
>
>BoundColumn=2
>ControlSource=wgtset.struc_id
>RowSource=select name,struc_id from struc where template=1 order by 1 into cursor temp
>RowSourceType=3
>
>When I create enter my form when creating a new record, the listbox is blank because wgtset.struc_id does not contains any value. If I press TAB to move to my next field, the Valid() event of the listbox is not fired. Isn't the Valid() event suppose to be fired whenever we exist the field?

Did you make sure it has gotfocus just before the valid?