>No, nothing special. I suspect that whatever .NET WebService you're trying to call, it's probably returning a DataSet rather than XML.

Is a DataSet from the schema definition such as:

<s:element name="listEventsResponse">
 <s:complexType>
  <s:sequence>
   <s:element minOccurs="0" maxOccurs="1" name="listEventsResult">
    <s:complexType>
     <s:sequence>
      <s:element ref="s:schema" /> 
      <s:any /> 
     </s:sequence>
    </s:complexType>
   </s:element>
  </s:sequence>
 </s:complexType>
</s:element>