At last nights OCCFUG meeting, one of the members asked what is the best way to access the data from nodes in an XML document that have xmlns namespace prefixes. I touched on this topic briefly in the comments of my post about reading XML documents, but I thought I would expound upon it a little more as there doesn't seem to be a lot of solid explanations out there on how to do this in ColdFusion. In a nutshell, the answer is to use XMLSearch() with an xPath expression that utilizes the namespace-uri() function.

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I came up with a little short cut earlier today when I was commenting on an article Ben Nadel wrote and he thought it was pretty clever, so I thought other people might find it useful as well.

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As of ColdFusion MX, there are several tags and functions that make working with XML a snap. In this tutorial I am going to demonstrate how to use these tools to generate an XML document.

The first step is to write a query to get the data we want to export. We are going to export a list of books from the cfbookclub database that comes with ColdFusion.

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