Sorting date Field

Question

Hi,
      I am using  groupField in Advanced Datagird, in that i want sort the date field. The  date field sees like that 06/22/1986(Month/Date/Year). How i can sort  it.
Regards,
Sivabharathi

Answer 1

Hi,
Thank you for your reply. I tried sortComparefunction. But it's not working perfect. Look at the example.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/08/12/sorting-date-columns-in-a-datagrid/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        <![CDATA[
            import mx.collections.XMLListCollection;
            import mx.events.FlexEvent;
            import mx.utils.ObjectUtil;
            public var reportXMLList:XMLList = new XMLList();
            public var listCollection:XMLListCollection ;
            private var tempXML:XML ;
            private function date_sortCompareFunc(itemA:Object, itemB:Object):int {
                var dateA:Date = new Date(Date.parse(itemA.dob));
                var dateB:Date = new Date(Date.parse(itemB.dob));
                return ObjectUtil.dateCompare(dateA, dateB);
            protected function init():void
                tempXML = new XML(<root>
                                <row col1="12/27/2010"/>
                                <row col1="12/29/2010"/>
                                <row col1="01/05/2011"/>
                                <row col1="01/07/2011"/>
                                <row col1="01/31/2011"/>
                                <row col1="02/15/2011"/>
                                <row col1="02/17/2011"/>
                                <row col1="02/18/2011"/>
                                <row col1="02/25/2011"/>
                                <row col1="03/11/2011"/>
                                <row col1="03/18/2011"/>
                                <row col1="03/19/2011"/>
                                <row col1="03/21/2011"/>
                                <row col1="03/22/2011"/>
                                <row col1="03/26/2011"/>
                                <row col1="03/30/2011"/>
                                <row col1="03/30/2010"/>
                                <row col1="03/30/2009"/>
                                <row col1="03/30/2015"/>
                              </root>);
                reportXMLList = tempXML.row;
                listCollection= new XMLListCollection(reportXMLList);
        ]]>
    </mx:Script>
    <mx:AdvancedDataGrid id="dataGrid" initialize="init()" dataProvider="{listCollection}"
                         width="100%" height="100%">
        <mx:groupedColumns>
            <mx:AdvancedDataGridColumn dataField="@col1"
                               headerText="Date of birth:"
                               sortCompareFunction="date_sortCompareFunc"
                               />
        </mx:groupedColumns>
    </mx:AdvancedDataGrid>
</mx:Application>