Looks like you confused a bit.
Actually what you 'retrying to do should certainly work, but you did some small mistakes in your code and in your understanding.

Look at some samples of codes.

Also it looks like you should do 

$button_submit->configure(-text => 'helloo');

[download]
Your "$varname" is really not defined, as Perl explains to you.

Also remember that you have a method $widget->update; to redraw your GUI at a moment to reflect your current changes.

Courage, the Cowardly Dog

In reply to Re: Tk/Perl Command by Courage
in thread Tk/Perl Command by £okì

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