>Hi Nancy,
>
>>For objects, one should be careful about checking just whether their type is "O". It's safer to check a property, say "Name", if it will have one, or add !ISNULL() to the check.
>
>I've heard this before, but don't remember why it makes a difference. Could you enlighten me?
>
>TIA

The property type could be "O" for property value of Null which means that property doesn't reference any object.