This probably wil not be doing what you want: 
$WS->Cells($i,11)->FormatConditions->Add(xlExpression,,
   "=AND(J$i>0,K$i=0)");

[download]
I'm talking about the 2 commas in a row. Perl ignores extra commas.

Try 

$WS->Cells($i,11)->FormatConditions->Add(xlExpression, undef,
   "=AND(J$i>0,K$i=0)");

[download]
(untested)

In reply to Re: excel conditional formatting by bart
in thread excel conditional formatting by ArtYaffe

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