Sergei

> It's what I thought was going on. But, at design time the query works even
> if I do not add its fields through the field editor. That's probably what
> confused me most. Thanks again

something else you can do that might shed some light
on what's missing in your runtime version:

set up the TDataBase and TQuery objects at design time so
they're connecting to the database and then look at the text
version of the DFM file to see all the property settings
(and invisible objects) that are there in the form that
might differ from what you assemble on the fly.

Maybe it's a TParam instead of a TField?

-ns

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