Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/12/15/converting-between-dates-and-strings-using-the-datefield-class-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        creationComplete="init();">

    <mx:Script>
        <![CDATA[
            import mx.controls.DateField;

            private const MASK:String = "DD/MM/YYYY";

            private function init():void {
                var today:Date = new Date();
                var halloween:String = "31/10/2007";

                var todayString:String = DateField.dateToString(today, "DD/MM/YYYY");
                todayLabel.text = todayString;

                var halloweenDate:Date = DateField.stringToDate(halloween, "DD/MM/YYYY");
                halloweenLabel.text = halloweenDate.toDateString();
            }
        ]]>
    </mx:Script>

    <mx:Form>
        <mx:FormItem label="today ({MASK}):">
            <mx:Label id="todayLabel" />
        </mx:FormItem>
        <mx:FormItem label="Halloween:">
            <mx:Label id="halloweenLabel" />
        </mx:FormItem>
    </mx:Form>

</mx:Application>

View source is enabled in the following example.

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/12/12/setting-a-custom-label-function-on-a-flex-datefield-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            private function dateField_labelFunc(item:Date):String {
                if (item == null) {
                    return "";
                }
                return item.toDateString();
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:DateField id="dateField"
                labelFunction="dateField_labelFunc" />
    </mx:ApplicationControlBar>

    <mx:Label text="{dateField.text}"
            selectable="true"
            fontSize="48"
            fontWeight="bold" />

</mx:Application>

View source is enabled in the following example.

Well, it looks like I’m repeating entries (gasp!). I already did an entry on this several months back, “Formatting dates using the DateFormatter”.