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Accessing attributes via XPath

From: Jeremy <Jeremy@------------.--.-->
To: NULL
Date: 7/1/2009 1:02:00 AM
Hi folks,

Just cutting my teeth a bit with MSXML, and came across an issue that
is confusing me.

Given the following XML fragment:

<parent>
  <child>
     <grandchild attrib1="test" />
  </child>
</parent>

I have an IXMLDOMNodePtr pointing to <child>, and I want to grab the
value of attrib1 in <grandchild>.

I was expecting the XPath to feed to selectNodes() would be
"grandchild@attrib1", but this causes MSXML to throw an exception
(with no error info).

It turns out the correct XPath is "grandchild/@attrib1", and I was
confused why, since I'm sure I've seen tutorials using the first
format.

Many thanks,
Jeremy


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