2005/11/4, Helen Borrie <helebor@...>:

> At 03:05 AM 4/11/2005 -0300, you wrote:
> >Hi Helen, thanks for your help.
> >
> >I already have a "boolean" domain like the examples you said. Sorry I
> >didn't mention that before. :-(
> >
> >Well, I follow the steps you gave me, and now when I add the
> >"booleans" fields in TIBOTable, they were created as TBooleanField.
> >That's fine.
> >
> >But, when I ran the application, the boolean fields are empty, it
> >doesn't show true or false either T or F. Only a blank field. This in
> >TDBGrid. If I point this field to a TDBCheckBox, it's always
> >unchecked.
> >
> >Do u know what could be happen?
>
> Unchecked means it's false. (Value is 'F'). I don't know how the VCL
> controls handle nulls, but if your domain is nullable then possibly the VCL
> controls treat null as false.

My mistake: I forgot to mention that I already feed 1 "boolean field"
with "true" value and 1 with "false" value. Both are displaying
nothing, like if they both are "false".

Any idea?

> >FYI: The translation to brazilian portuguese of 'The Firebird Book' is
> >almost ready as I know, in a few weeks it should be in the stores...
>
> Oh, good! I haven't heard a single thing about it.

I'll let u know when it is finished.

[]
Andrei