[solved] dbedit.text loses programmatically set text when it gets
focus
lazarus / 16-Databases

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marcov · 2016-05-15 21:09

I've a button that arranges a few fields, mostly dbedits by setting
them or adding to them. 
(dbeditsomething.text:=dbeditsomething.text+',tralalaa'; )

- add a record (dbnavigator "+" symbol)
- I press a button and in some button handler I do  a mutation on a
dbedit.text
- then I focus the dbedit

and the changes done in the button handler are gone.

Should I do something after editing dbedits.text property to avoid
this?

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marcov · 2016-10-08 14:03

I recompiled the application, and this still happens.

When entering the dbedit, the text reverts to the last state (empty
when inserting, committed value when not).

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marcov · 2016-10-08 14:16

Since it was quite a problem, I continued googling it a bit, and seems
that under Delphi this also happens depending on the exact dataset 
implementation, the trick is to change the underlying dataset, and
refresh the edit.

e.g.

Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i  
SQLQuery1.FieldByName(dbitemscur.DataField).AsString:='0';
(I use the datafield to avoid hardcoding field names in many places in
this application too much)
Anyway, solved!

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LacaK · 2016-10-08 15:03

I use:
  dbeditsomething.Field.AsString := '';

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marcov · 2016-10-09 13:22

Thanks.