--- In IBObjects@y..., Nando Dessena <nandod@d...> wrote:

> Eustachio,
>
> When you edit a string field in a data-aware control, it becomes
> non-null and stays like that event when you clear it; you need to

issue

> the Clear method of the field object to set the field to null.
> --

ColumnAttributes "BLANK IS NULL" should do the job, but my experience
is that it does not, at least with data type that have a domain (and
which attributes are read from the DDL structure of the database).
Could you confirm this, Nando? I've posted this as a bug to Jason time
ago..
Thanks