>I have a listbox.
>I populate the listbox with records from a table.
>I need to disable some items based on certain conditions.
>
>Any suggestions how?

Disabled items need to be prefixed with a backslash. You can do that in the table; if you don't want to touch the field, you may add a new field which will hold the copy of it, or use a readwrite cursor instead. Just

replace myfield with "\"+myfield for {condition}