--- In IBObjects@yahoogroups.com, "rudi_josic" <rudijosic@c...> wrote:

> why don't you try to use filter?
>
> i use something like you do and i use the filter not the sqlwhere

and

> it's works for me.
>
> try something like:
>
> iqProducts.DisableControls;
> iqProducts.filtered = false;
> iqProducts.filter := 'PRODUCTS.PRODUCT_TYP=''SPT'''
> iqProducts.filtered = true;
> iqProducts.EnableControls;
>
> i hope it helps

Thank you, this works of course - but as I stated earlier I look
specificaly for the IBO performance and behaviour after changing
the SQL commands