flash 3.0 如何读取webservice返回的数据集
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<GetFigulineDescDataResponse xmlns="http://tempuri.org">
<GetFigulineDescDataResult>
<xsd:schema id="NewDataSet" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:element name="NewDataSet" msdata:IsDataSet="true" msdata:MainDataTable="Table0" msdata:UseCurrentLocale="true">
<xsd:complexType>
<xsd:choice minOccurs="0" maxOccurs="unbounded">
<xsd:element name="Table0">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="ID" type="xs:int" minOccurs="0"/>
<xsd:element name="ParentID" type="xs:int" minOccurs="0"/>
<xsd:element name="LittlePictureName" type="xs:string" minOccurs="0"/>
<xsd:element name="BigPictureName" type="xs:string" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">
<DocumentElement>
<Table0 diffgr:id="Table01" msdata:rowOrder="0">
<ID>1</ID>
<ParentID>1</ParentID>
<LittlePictureName>L1.jpg</LittlePictureName>
<BigPictureName>B1.jpg</BigPictureName>
</Table0>
<Table0 diffgr:id="Table02" msdata:rowOrder="1">
<ID>2</ID>
<ParentID>1</ParentID>
<LittlePictureName>L2.jpg</LittlePictureName>
<BigPictureName>B2.jpg</BigPictureName>
</Table0>
</DocumentElement>
</diffgr:diffgram>
</GetFigulineDescDataResult>
</GetFigulineDescDataResponse>
</soap:Body>
</soap:Envelope>
这个xml 是webservice返回的数据集
请问如何取LittlePictureName这个值