TDBCombobox useless?
lazarus / 16-Databases

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MacWomble · 2017-02-16 22:40

Hi there. I got another problem using TDBCombobox:

It shows the Text stored in the table but when I select another item
this is be shown in the text-field.
This is ok so far.
The datacontrol switches to Edit-Mode - also ok. Now when I click on
Save (datacontrol) the originally saved text will be shown.

sample:

1. in the DBCombobox.text is 'HOT' shown (also saved in Database)
2. I select 'COLD' in the DBCombobox and this is shown in
DBCombobox.text / Datacontrol switches to edit-mode
3. I click 'save' on Datacontrol - DBCombobox.text is now 'HOT' again.
The new value was not saved.

May be I misunderstand this, but its also not logically.

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MacWomble · 2017-02-17 13:20

Hallo
is there really no one who can help me at his point?

I use Zeos Connection and Query and a Datasource. All fields works
fine except DBCombobox.

Regards Klaus

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wp · 2017-02-17 13:33

You seem to have a very good feeling how to reproduce the bug. Why
don't write a little demo with a standard file-based database system
to demonstrate the issue for everybody? You will get much more
response if the is a ready-to-compile attachment showing the bug. Just
attach the lpi, lpr, lfm, pas and database file (no compiler-generated
files, please), all packed into a shared zip.

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wwerner · 2018-04-19 17:20

Ok, I have the same problem. An additional hint: I have more than one
DBComboboxes. If I change 2 to new value, the first one spring back to
the original value, but the second one will be saved.

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fpcoder · 2018-04-19 20:39

Just attach a demo like wp said.

Quote from: wwerner on April 19, 2018, 07:20:47 pmOk, I have the same
problem. An additional hint: I have more than one DBComboboxes. If I
change 2 to new value, the first one spring back to the original
value, but the second one will be saved.