Tuesday, July 20, 2010

Embedding comments in your XPATH Filters


One thing I love to do is provide self-documenting code and configurations. Well when I have to customize sets the XPATH filter can get a bit complex so I recently found a way to comment the XPATH Filter in my sets and groups:

/Person[starts-with(DisplayName,'%')] <!-- Only with DisplayName --> </Filter>


By using <!--  --> to enclose my comments and only after the last closing ] of the predicate I can comment on the filter itself.

The following will error (don’t put the comment inside the predicate [].

/Person[starts-with(DisplayName,'%') <!-- Only with DisplayName -–> ]</Filter>

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