>TABLE DEMOGRPH
> ID Num(7)
> NAME Char(30)
> indexes: id on id
> name on name
>
>TABLE LABTEST (child indexed on ID and also indexed on TESTNAME)
> ID Num(7)
> TESTNAME Char(10)
> indexes: id on id
> testname on testname
> idtn on str(id)+testname
>
>

GRID PROPERTIES
Child order: idtn
Link master: demogrph
Record Source: labtest
RelationalExpr: id2

Please, create a tag id2 on str(id). I think this was what I forgot to tell you at first.