ZeosDB Master-Detail TZQuery no longer working in Lazarus 4.6
lazarus / 16-Databases

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Mathias Burbach · 2026-03-30 06:57

Hello Folks!

I have an old application using a master-detail relationship via a
TZQuery and the MasterSource/MasterFields properties. This was working
fine in Lazarus 3.9 but now that I have done a Clean up and Build ...
in Lazarus 4.6 (64 bit) the detail dataset is not adjusted any more
when I move the master record. The ZeosDB package is version 8.0.0.0.

Has anyone encountered that problem already?

Salut,
  Mathias

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jamie · 2026-03-30 21:27

Not sure if you updated your IDE since it was released with a
TTabControl fix but please try this to confirm this as you don't
indicate what OS you are on?

Start a new project:

Drop a TTabControl on the form from the Common Controls tab

Move it around a bit to make sure it's there and working.

Then delete it from the form.

Report if the IDE goes into a non-responsive state.

If it does, it's possible it may not be helping you much with your
issue, also it's also possible that you had a bug all along and it
only showed now.

Jamie