## mark a section (Learn more)

<fdg:AdvancedFooterDataGrid dataProvider='{dp}'> <fdg:columns> <mx:AdvancedDataGridColumn headerText="Name" dataField="name"/> <mx:AdvancedDataGridColumn headerText="Price" dataField="price"/> <mx:AdvancedDataGridColumn headerText="Age" dataField="age"/> </fdg:columns> <fdg:footer> <fdg:SummaryFooter label='Average' operation='average' precision='2'/> <fdg:SummaryFooter label='Max' operation='max'/> </fdg:footer> </fdg:AdvancedFooterDataGrid>

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