Date sorter on DataGrid

Simple application to sort column with date type

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">

<mx:Script>

<![CDATA[

import mx.collections.Sort;

import mx.utils.ObjectUtil;

import mx.collections.SortField;

private function dateSort(obj1:Object, obj2:Object):int

{

return ObjectUtil.dateCompare(new Date(obj1.creationdate), new Date(obj2.creationdate));

}

private function sortDate():void

{

dg.dataProvider.sort = new Sort();

dg.dataProvider.sort.fields = [new SortField("creationdate", false, false)];

dg.dataProvider.refresh();

}

]]>

</mx:Script>

<mx:ArrayCollection id="dataPro">

<mx:Object firstname='Ashok' lastname='NP' creationdate='07/08/2008 12:00:01'/>

<mx:Object firstname='Arun' lastname='A' creationdate='07/08/2008 12:00:02'/>

<mx:Object firstname='Siddharth' lastname='BR' creationdate='07/08/2008 12:10:01'/>

<mx:Object firstname='Mohan' lastname='KH' creationdate='07/08/2008 12:00:01'/>

<mx:Object firstname='Jais' lastname='M' creationdate='07/08/2008 12:00:00'/>

</mx:ArrayCollection>

<mx:DataGrid id="dg" dataProvider="{dataPro}" width="100%" height="50%"

creationComplete="sortDate()">

<mx:columns>

<mx:DataGridColumn dataField="firstname" />

<mx:DataGridColumn dataField="lastname" />

<mx:DataGridColumn dataField="creationdate" sortCompareFunction="dateSort" />

</mx:columns>

</mx:DataGrid>

</mx:Application>