myGrid.labelFunction = labelFunction private function labelFunction(item:Object, column:DataGridColumn):String { var field:String = column.dataField; if ("Date" == field) { var d:Date = new Date(item[field]); return formatDate(d); } else // return some other stuff for other columns } private function formatDate(date:Date):String { if (date) { var df:DateFormatter = new DateFormatter(); df.formatString = "MM/DD/YYYY"; return df.format(date); } else return "None"; }