Hi David,

Thank you very much for help and sent links to examples.
Now I can start to analyze the code of this examples and go further in my work, I hope .

Best wishes for You and the whole Steema Team.

Regards,
Pawel

Hello Marc,

Thank you for response and your will to help.
I will be waiting patiently.

Regards,
Pawel

Hello, I looked at code in database demos - Master Detail Expander. It is working very good, but it is only master-detail relation. I tried to expand it for third level, but I couldn't do it. So I don't know, how to implement next level of details (subdetails) - as shown in the picture: https://raw....

Hello Marc,

I download zipped files that You sent. Now was no problems with installation .
Thank You very much!
So topic could be closed.

Regards,
Pawel

Hello. I received TeeGrid-Registered-1.18.exe and run it. Then used TeeGridRecompile.exe application, but it doesn't see Lazarus's installations, but only Delphi's installations (see attachment screenshot). So in Delphi 11.3 and in Delphi 12.2 I'd installed TeeGrid without big problems. But I have p...