Filter and refresh function for ArrayCollection

            
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    backgroundColor="white">
    <mx:Script>
        
        import mx.collections.ArrayCollection;
        [Bindable]
        public var salesAC:ArrayCollection = new ArrayCollection([
            {name:"A",value:1},
            {name:"B",value:2},
            {name:"C",value:3},
            {name:"D",value:4},
            {name:"E",value:5},
            {name:"F",value:6}
        ]);
        public function filterFunc(item:Object):Boolean
        {
            if(item.value >= salesRange.values[0] && item.value <=  salesRange.values[1])
                return true;
            else
                return false;
        }
        public function filterSales():void
        {
            salesAC.filterFunction=filterFunc;
            salesAC.refresh();
        }
      
    </mx:Script>
    <mx:Panel width="400" height="300" title="Sales Dashboard">
        <mx:HSlider change="filterSales()"
                    id="salesRange"
                    width="100%"
                    thumbCount="2"
                    labels="['0','2','5','7','10']"
                    tickInterval="1" 
                    height="50" 
                    maximum="10"/>
        <mx:DataGrid id="dg" width="100%" height="100%" dataProvider="{salesAC}">
            <mx:columns>
                <mx:DataGridColumn headerText="Country" dataField="name" />
                <mx:DataGridColumn headerText="Revenue" dataField="value" />
            </mx:columns>
        </mx:DataGrid>
    </mx:Panel>
</mx:Application>

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Filter and refresh function for ArrayCollection : ArrayCollection « Data Model « Flex

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