.NET compat issue...

[Thomas Bolioli]

I am writing an Axis client to interface with a VB.NET soap service and 
I am having an issue with the axis client (vb client apparently works) 
where the soap service is not getting the string being passed through 
the only function and argument the service takes. Below are the two 
envelopes. What could be causing this? Since it is authenticating, I am 
pretty sure the problem is in the body of the envelope and not the 
header. I am at a loss since the differences (see testpostdata and 
xmldata elements) between these two are minimal and seem to be more 
semantic than anything of substance.
Thanks in advance,
Tom

VB.Net Client envelope

<?xml version="1.0" encoding="utf-8"?><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:Header>
<cAuthentication xmlns="http://ar.masstech-pts.org/";>
<UserName>username</UserName>
<Password>******</Password>
</cAuthentication>
</soap:Header>
<soap:Body>
<testpostdata xmlns="http://ar.masstech-pts.org/";>
<xmldata>String Here...
</xmldata>
</testpostdata></soap:Body></soap:Envelope>

Axis client envelope
<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope 
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"; 
xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
<soapenv:Header>
 <ns1:cAuthentication soapenv:mustUnderstand="0" 
xmlns:ns1="http://ar.masstech-pts.org/";>
  <ns1:UserName>username</ns1:UserName>
  <ns1:Password>*******</ns1:Password>
 </ns1:cAuthentication>
</soapenv:Header>
<soapenv:Body>
 <testpostdata 
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/";>
  <xmldata xsi:type="xsd:string">String Here...
</xmldata>
 </testpostdata>
</soapenv:Body>