Fields to sum
Default:
Subtotals are enabled if groupLens is set. The totals at the bottom of the grid are stored in an array:$lens->sumTotal.
Also see powerSumLens for defining your own formulas.Syntax
$lens->sumLens = 'COL2;COL7'; # we only want to sum cols 2 and 7 Basic:Yes Advanced/Enterprise:Yes DynamicEdit:Yes [Version 1.0]
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