>I am trying to create a combobox for a description field (char 40) where the user can either select from a list of pre-defined entry (from another table) or enter the description directly in the field.
>
>The problem is that if the user enter something in the combobox, instead of selecting a predefined entry, the value property of the combobox returns an empty value.
>
>Any explanation ? There must be something I don't understand in the comboboxes...
>
>Thanks for any help
>Eric

The value a user typed is stored in the DisplayValue property. The Value property is empty because the typed value isn't in the combobox rowsource.
Take look at file#9596.