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That error occurs when the type of wuery parameters is not specified. At
design time, click ont the query, select property Parameters from Object
Inspector and for each parameter set Value->Type - actual type for the
parameter. This property has not be NULL.

"Pedja" <pgrkovic@hotmail.com> wrote in message news:3d36d5f1_1@dnews...
> I tried that as well, only, instead of *(new Variant()), I put Variant().
> It's still the same problem, after I execute the query, I receive error
> message.
>
> Thanks.
> - Pedja.
>
> "Georgi Cholakov" <georgi.cholakov@mail.bg> wrote in message
> news:3d36a694_1@dnews...
> >
> > pQry->Parameters->ParamByName("DateRcvd")->Value = *(new Variant());
> >
> >
> > "Pedja" <pgrkovic@hotmail.com> wrote in message news:3d3677b5_2@dnews...
> > > Hello,
> > > I have a problem specifying TParameter::Value to be NULL. I'm running
> > > Borland C++ Builder 5 on Windows 2000 SP2.
> > > I think I've tried everything I could think of. I always get the
> message,
> > on
> > > ExecSQL:
> > > "Parameter object is improperly defined. Inconsistent or incomplete
> > > information was provided"
> > >
> > > ///////////////////////////////////////////////////////
> > >   Variant varDateRcvd;
> > >   varDateRcvd.ChangeType( varNull );
> > >   TParameterAttributes attrs;
> > >   attrs << paNullable;
> > >   pQry->Parameters->ParamByName("DateRcvd")->Attributes = attrs;
> > >   pQry->Parameters->ParamByName("DateRcvd")->Value = varDateRcvd;
> > >
> > >   pQry->ExecSQL();
> > > ///////////////////////////////////////////////////////
> > >
> > > Does anybody have any idea?
> > > TIA.
> > > - Pedja.
> > >
> > >
> >
> >
>
>