> I have a problem with
> TIBOQuery.InvalidateRowNum(TIBOQUERY.Internaldataset.rownum). Rownum is
> always 0.
> If I do TIBOQuery.InvalidateRowNum(3), it works ok.
> Any idea?

You should do nothing to depend upon the Internaldataset.RowNum.
Instead do this:

myIBOQuery.InvalidateRowNum( myIBOQUERY.RecNo );

HTH,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com