Thank you, but with IBO I'm not yet sufficient smart to know what are
the 3 parameters I must pass to the CalculateFields method:

SomeQueryCalculateField(Sender: TIB_Statement; ARow: TIB_Row; AField:
TIB_Column);

--- In IBObjects@yahoogroups.com, Helen Borrie <helebor@...> wrote:
>
> At 08:23 AM 13/07/2006, you wrote:
> >I'm using IBO4.5
> >A form has a TIB_Grid, a TIB_Query and a TIB_DataSource. Query has
a
> >calculated varchar(10) field, which is calculated OnCalculateField
> >event and is showed on TIB_Grid, among other non calculated fields.
> >For existing records, all fine. My problem is: after adding a new
> >record, the calculated field cell shows nothing on TIB_Grid.
> >What is the correct way to solve it?
>
> Call the dataset's CalculateFields method.
>
> Helen
>