Programming web pages to Microsoft Online Print Wizard. OPW creates
xml file from transfer manifest of files u select to print
var xml = window.external.Property("TransferManifest"); // this is xml

so to  discribe photos on my aspx page i need to post xml to my page

var XmlHttp;

//Creating and setting the instance of appropriate XMLHTTP Request
object to a "XmlHttp" variable
function CreateXmlHttp()
{
    //Creating object of XMLHTTP in IE
    try
    {
        XmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e)
    {
        try
        {
            XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
        catch(oc)
        {
            XmlHttp = null;
        }
    }
    //Creating object of XMLHTTP in Mozilla and Safari
    if(!XmlHttp && typeof XMLHttpRequest != "undefined")
    {
        XmlHttp = new XMLHttpRequest();
    }
}

function window.onload()

       {

           // enable the Back and Next buttons.

           window.external.SetWizardButtons(1, 1, 0);

           window.external.SetHeaderText("Zoomin online store",
"Wellcome.");
            var xml = window.external.Property("TransferManifest");

       var files = xml.selectNodes("transfermanifest/filelist/file");

           alert('You are about to upload ' + files.length + '
files.');

  CreateXmlHttp()

  var requestUrl = 'http://store/Default.aspx' ;
  if(XmlHttp)
   {

        XmlHttp.open("POST", requestUrl,  false);
        XmlHttp.setRequestHeader("Accept","text/xml");
  XmlHttp.setRequestHeader("Cache-Control","no-cache");
  XmlHttp.setRequestHeader("SOAPAction",'""');

      //
      XmlHttp.send(xml);

        alert(XmlHttp.statusText);
   }

window.location = 'http://store/Default.aspx';
       }

And now i need to rtecive it from aspx page

public partial class opw_Default : System.Web.UI.Page
{
   protected void Page_Load(object sender, EventArgs e)
   {
       XmlDocument requestXML = new XmlDocument();
       try
       {
           requestXML.Load(Request.InputStream);
       }
       catch (XmlException ex)
       {
           // handle errors here
       }
       Response.Write(Request.ContentLength);

   }

But Responce write 0  ... can some body help me with this