[Users] Summing up columns in a search grid

[Robert Buckley]

Hi,

In this app (http://maps.zgb.de/www/eeg/gfi.html) I have a search which fills a 
grid. This works perfect but I really need to sum the contents of the columns 
for each search as well

As far as I know, geoext can+t use a grouping grid. Is there any other way I 
could do this? 

thanks for any tips,

Rob
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