Hi and thanks for replying. I don't know what you mean by 'resetting $@' . . . also, I'm certain that the code never gets to the error handler. If I put 'print' statements around the 'execute' part of it, like 
print "hi"
$sth->execute();
print "bye"

[download]
I'll only get "hi" as output. If I put a print statement inside the error handler, it doesn't show. But if I invoke the function without the Tkx, it works fine. I swear, the only difference between it working and not working is the presence or absence of the Tkx loop, which is in another module - the code I've shown you earlier is identical in both cases.

In reply to Re^2: eval doesn't work under tkx by nyj
in thread eval doesn't work under tkx by nyj

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