public partial class test{
    [System.Xml.Serialization.XmlElementAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified)]
    public int code { get; set; }
    
    [System.Xml.Serialization.XmlElementAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified)]
    public string message { get; set; }
}

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:D="......">
   <soapenv:Header/>
   <soapenv:Body>
      <D:test>
         <code >1</code >
         <message ></message >
      </D:test>
   </soapenv:Body>
</soapenv:Envelope>

<?xml version="1.0" encoding="utf-16"?>
<test>
	<code>1</code>
	<message></message>
</test>