DI Server Add New Invoice Question

Question

Hi,
Any one knows the answer for the following question.
I insert a new invoice successfully by using the sample code. The invoice created has DocStatus C. It means Close.
<?xml version="1.0" encoding="UTF-16"?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
<env:Header>
  <SessionID>F46EDCE6-3F79-1F9F-1D1E-DC6226D04FA7</SessionID>
</env:Header>
<env:Body>
  <dis:AddObject xmlns:dis="http://www.sap.com/SBO/DIS" CommandID="Add invoice">
  <BOM>
   <BO>
    <AdmInfo>
     <Object>oInvoices</Object>
    </AdmInfo>
    <Documents>
     <row>
      <DocDate>20040707</DocDate>
      <DocDueDate>20040707</DocDueDate>
      <CardCode>BP</CardCode>
     </row>
    </Documents>
    <Document_Lines>
     <row>
      <ItemCode>Item1</ItemCode>
      <Quantity>3</Quantity>
      <TaxCode>My Tax</TaxCode>
     </row>
     <row>
      <ItemCode>Item2</ItemCode>
      <Quantity>2</Quantity>
      <TaxCode>My Tax</TaxCode>
     </row>
    </Document_Lines>
   </BO>
  </BOM>
  </dis:AddObject>
</env:Body>
</env:Envelope>
However, I try to put extra field DocStatus for oInvoice(OINV) by adding new line
<DocStatus>O<DocStatus> in between <CardCode>BP</CardCode> and </row>, the Soap response with
Faulty reason "Property 'DocStatus' of 'Document' is invalid".
I know I can run another request to update the DocStatus but this seems not a good solution.
Is there other way to do it?
Please help
Thanks advance
Glenn

Answer 1

Thank you for your reply, Gianluigi.
As I know, the B1WS requires B1 2007 but I have the B1 2005.  So I have to use DI Server.