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Re: Parseing XML in ASP Page

From: Martin Honnen <mahotrash@-----.-->
To: NULL
Date: 11/2/2005 6:31:00 PM

Earl F. Kimble Jr. wrote:

> Actually the response does not contain a Content-Type of text/xml or 
> application/xml.
> 
> So I guess there's nothing I can do.

What Content-Type does the response have then? It is anything supposed 
to be XML so that it makes sense to parse it with an XML parser?

You can still try to parse something served via HTTP as XML, one way is 
not to use XMLHTTP but instead use a DOMDocument and its load method, 
that way however you can only do HTTP GET requests.
Another way is to parse the responseStream that XMLHTTP builds yourself 
then with a DOMDocument e.g.

   Dim HttpRequest, ResponseXML, WellFormed
   WellFormed = False
   Set HttpRequest = Server.CreateObject("Msxml2.ServerXMLHTTP.3.0")
   HttpRequest.open "GET", _
     "http://example.com/whatever", _
     False
   HttpRequest.send
   If HttpRequest.status = 200 Then
     If Not HttpRequest.responseXML Is Nothing And _
        Not HttpRequest.responseXML.documentElement Is Nothing And _
        HttpRequest.responseXML.parseError.errorCode <> 0 Then
       Set ResponseXML = HttpRequest.responseXML
       WellFormed = True
     Else
       Set ResponseXML = Server.CreateObject("Msxml2.DOMDocument.3.0")
       ResponseXML.async = False
       WellFormed = ResponseXML.load(HttpRequest.responseStream)
     End If
     If WellFormed Then
       Response.Write "<p>Got XML document with " & _
         ResponseXML.getElementsByTagName("*").length & _
         " elements</p>" & VbCrLf
     Else
       Response.Write "<p>Parsing failed: " & _
         ResponseXML.parseError.reason & _
         "</p>" & VbCrLf
     End If
   Else
     Response.Write "<p>HTTP status: " & _
       HttpRequest.status & " " & _
       HttpRequest.statusText & _
       "</p>" & VbCrLf
   End If

That example does a HTTP GET request but of course you could do a POST 
as well and use the same code to deal with the response to a POST request.


-- 

	Martin Honnen --- MVP XML
	http://JavaScript.FAQTs.com/


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