In my application I have the following code in a
TClientDataSet.OnBeforeOpen() handler:
with TIntegerField.Create(cdsJob) do
begin
FieldName := 'release_ref';
FieldKind := fkData;
Dataset := cdsJob;
Name := Dataset.name + FieldName;
cdsJob.fielddefs.add(Name,ftInteger,0,false);
cdsJob_copy.fielddefs.add(Name,ftInteger,0,false);
end;
I'm creating the TField, and also updating the FieldDefs collection,
however, calling the CreateDataSet() returns with "cdsJob: Field
'release_ref' not found.".
The above code is called within a conditional block that checks for a
database that includes it, the TClientDataSet has persistent fields already
setup in it, as does the TQuery its based on. Do I need to add a
TField/FieldDef's reference to the underlying TQuery as well as the
TClientDataSet?
Hmm, I just changed the code so that it added the TField/FieldDef's to both
the query and the client data set but no joy :( (and yes - the field DOES
exist in the database).
Mark
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