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How to validate a TField when losing DBEdit focus.

Posted on 1998-12-03
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Last Modified: 2012-08-13
Where can I put the Try...Exception...end;
code to check if the user typed correctly when
leaving the TField? Delphi shows the exception
message automatically if the input value is
invalid, but I wanted to show my personalized
messages. I tried everything to validate before
Delphi, but Delphi always shows the exception
messages first. Please give me an example.
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Question by:davichoi
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1 Comment
 
LVL 8

Accepted Solution

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ZifNab earned 30 total points
ID: 1349170
davichoi

look at onposterror, onediterror, onupdateerror, ondeleteerror events of table component

Regards, Zif.
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