Hi all I have to create a page where I insert some cascade combobox that fill dynamically through which I perform aggregations on the db records. For example I want to know how many pants I still have in all Italian stores. I select from the combobox that contains the field "area" the "Italia" value, then I click on "Calculate pants": the result I get is the sum of the pants of all records with area = Italy. How can I perform that? Thank in advance
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