protected function onSaveButtonClick2():void
            {
                var result:String = "";
                for each (var column:ReportColumn in selectedReport.columns)
                {
                    result += printColumn(column) + ",";
                }
                printTextArea.text = result;
            }

            private function printColumn(column:ReportColumn):String
            {
                var data:Object = column.getData();

                var result:String = "{" + '\n';
                result += '"id": ';
                result += '"' + data.id + '",' + '\n';
                result += '"db": ';
                result += '"' + data.db + '",' + '\n';
                result += '"result": ';
                result += '"' + data.result + '",' + '\n';
                result += '"type": ';
                result += '"' + data.type + '",' + '\n';
                result += '"class": ';
                result += '"' + data["class"] + '"';
                if (column.parent)
                {
                    result += ",\n"
                    result += '"relationName": ';
                    result += '"' + column.parent["name"] + '"';
                }
                if (data.hasOwnProperty("DATA"))
                {
                    result += ",\n"
                    result += '"DATA": ';
                    result += JSON.stringify(data["DATA"]);
                }

                result += "\n}";
                return result;
            }



<s:TextArea id="printTextArea" width="100%" height="100%"/>


<mx:Button id="printBtn"
                           width="100"
                           label="{_('Print me babe')}"
                           enabled="{buttonsEnabled}"
                           click="onSaveButtonClick2()" />