> It's late, and I am having difficulties reading...so forgive if I
> misunderstand your question.
> In order to have an "automatic" master/detail relation between datasets, the
> name of the parameter has to be equal to the fieldname it is supposed to be,
> ie instead of naming your parameter "paramInvID", call it "InvID".
> You also may opt to do things manualy (which I prefer, because it gives you
> a little bit more control) . In that case you have to set the parametervalue
> each time the master-dataset recordpointer changes, and refresh (close/open)
> the detail-dataset. For example in the master-dataset's
> datasource.onDataChange
> Hope this helps,
> Maurice
> "Bill N" <ahappyfam...@sympatico.ca> schreef in bericht
> news:3E4961AF.9050105@sympatico.ca...
>>I'm having trouble creating a master/detail with two TADOQueries.
>>The first SQL is:
>>SELECT tblGrps.GrpName, tblInv.GrandTotal, tblInv.InvID,tblInv.InvDate,
>>tblGrps.Street, tblGrps.Telephone,tblGrps.PostalCode, tblContacts.Name,
>>tblContacts.PhoneNum
>>FROM tblGrps, tblContacts,tblContGrp,tblInv
>>WHERE tblContacts.RepID = tblContGrp.ContactID AND
>> tblGrps.GrpID = tblContGrp.GrpID AND
>> tblGrps.GrpID = tblInv.GrpID AND
>>and DataSource1.DataSet:=ADOQuery1
>>The second TADOQuery SQL is:
>> object ADOQuery2: TADOQuery
>> ...
>> DataSource = DataSource1
>> Parameters ...
>> DataType = ftLargeint
>> ...
>> end>
>> SQL.Strings' SELECT tblPayments.InvID, tblPayments.PayDate,
>> tblPayments.AmtPaid
>>FROM tblPayments
>>WHERE tblPayments.InvID= :paramInvID
>> end
>>When I open both the Detail query (ADOQuery2) returns null. It appears
>>that the detail query is not hooked properly on InvID but I can't figure
>>out why.
>>Can someone show me the error in my ways?
>>Thanks,
>>Bill N