＜読んでいるdatalist.xml＞
<?xml version="1.0" encoding="UTF-8"?>

<datalist id="50">

<textdata type="1">
<part id="1">aaaaa</part>
<part id="2">bbbbb ccccc</part>
<part id="3">dddd</part>
</textdata>

<textdata type="2">
<part id="1">eee ffffffff</part>
<part id="2">ggggggg</part>
<part id="3">hhhh</part>
</textdata>

<textdata type="3">
<part id="1">iii jjj kkk</part>
<part id="2">ll mmmm</part>
</textdata>

</datalist>

＜flashソース＞
var Datalist:XML = new XML();
Datalist.ignoreWhite = true;
Datalist.onLoad = function(success:Boolean) {
	if (success) {
		trace("ok!");
	} else {
		trace("error");
	}
};
Datalist.load("datalist.xml");