The code is :
procedure TFSamples.KatDtDataMasterDataChange(Sender: TObject; Field: TField);
begin
QDataDet.close ;
QDataDet.sql.text:='Select * from salesDetail where idpelati=113';
try
QDataDet.Open ;
Except
On Exception Do
Showmessage('Error');
end;
end;
The Error displayed when i tried to open the QDatadet Query with Lazarus 32 Bit. On Lazarus 64Bit all is ok.