AccessViolation in function TppCustomReport.GetGroupCount: Integer using RB18

Comments

• rbuser

  February 2017 edited February 2017

  Exception occurs on
  *********
  for li := 0 to aReport.GroupCount - 1 do
  begin ....
  *****
  
  where aReport originates from
  
  if lbConvert then
  begin
  Convert(FVersionNo);
  //Patch CE
  TReportConverter.convert(TppReport(self),FVersionNo);
  //EOP
  FConverted := True;
  end;
  out of TppProdducer.loaded
  
  Carsten Eider fragte :
  
  --
  
  
  Hint: We altered the sources!Hint: We altered the sources!
  
• nicocizik

  February 2017 edited February 2017

  Hi Carsten,
  
  This is not a known issue.
  
  My suggestion is to trace into your TReportConverter class and see
  exactly what is happening.
  
  Also, starting with RB 18, we added the TppTemplate.OnConvert event
  which fires when loading a report saved with a prior version. This
  would be a better place to perform your custom conversions rather than
  the Loaded event of the producer.
  
  --
  

  Best Regards,
  
  Nico Cizik
  Digital Metaphors
  http://www.digital-metaphors.com
• rbuser

  March 2017 edited March 2017

  Hi Nico,
  
  Problem was found, caused by a hardcast.
  Solution was using a softcast.
  
  Thank you for the hint with TppTemplate.OnConvert, I will test it.
  
  Thx
  Carsten
  
  Nico Cizik (Digital Metaphors) legte dieses als Verknüpfung auf seinen
  Bildschirm :
  
  --
  
  
  Hint: We altered the sources!Hint: We altered the sources!