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| laziness, impatience, and hubris | |
| PerlMonks |
Re: How can one define value to call method "display" at line 45?by Corion (Patriarch) |
| on Apr 03, 2013 at 11:51 UTC ( [id://1026838]=note: print w/replies, xml ) | Need Help?? |
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Your error happens because</c>
returns undef, which most likely means that no student matching $reg was found. Consider checking the values you have in your database and whether/how a student can be found given $reg.
In Section
Seekers of Perl Wisdom
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