[flexcoders] XML parser chokes on un-typed xmlns

Tom Lee Wed, 16 Aug 2006 08:52:05 -0700

Hi everyone,

I am having some difficulty parsing .Net web service results. The problem lies in the fact that Flex’s XML parser doesn’t like un-typed xmlns declarations of the type found by default in .Net web services. Try the following:

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="doIt()">

<mx:Script>

<![CDATA[

function doIt(){

var myXML:XML = <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>

</a>

</soap:Body>

</soap:Envelope>

trace("Node B from myXML: "+myXML.descendants("b"));

var myXML2:XML = <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>

</a>

</soap:Body>

</soap:Envelope>

trace("Node B from myXML2: "+myXML2.descendants("b"));

}

]]>

</mx:Script>

</mx:Application>

This code results in the following traces:

Node B from myXML: Hi

Node B from myXML2:

As you can see, the only difference between the two blocks of XML is that the successful one uses “xmlns:soap=” while the unsuccessful one uses “xmlns=”. While I am no SOAP expert, I don’t believe the 2^nd one is invalid syntax, so there should be no reason for the XML parser to ignore it, right?

Anyone have a workaround for me that doesn’t require modifying the web services? (I don’t have administrative access to them).

Thanks!

-tom

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[flexcoders] XML parser chokes on un-typed xmlns

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