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Re: Navigating XML

From: Joe Kesselman <keshlam-nospam@-------.--->
To: NULL
Date: 8/3/2006 9:27:00 PM

requeth@g... wrote:
> step down through them, inside of a heirarchy record, and see if any
> are G2's (since sometimes one may not be listed at all). How do I do
> this?

Well, you could for-each and test, but the more standard solution would 
be to make a single XPath do all the work:
	CMS27423400_2140CA/CMS27423400_2140CA_REF_ProviderIdentificationNumbers[@CMS27423400_2140CA_REF01_ReferenceIdentificationQualifier="SY"]

or, to put it on more readable terms,
	path/to/some_element[@some_attribute="desired value"]

This returns all the elements which match the path (relative to your 
current context) and which have the specified attribute set to the 
desired value. See your favorite XPath/XSLT tutorial's section on 
"predicate expressions" to learn more about this approach.

-- 
() ASCII Ribbon Campaign  | Joe Kesselman
/\ Stamp out HTML e-mail! | System architexture and kinetic poetry


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