Absent TAGs ...

Ron Bourret rbourret at dvs1.informatik.tu-darmstadt.de
Thu Oct 1 15:49:41 BST 1998

> I work with msxml and xml files generated by a database. When a tag value
> is absent, the database don't generate the tag. In that way, when my
> scripts try to treat it ... an error occur. How can I bypass this problem.
> I already try, to attibute the tag to a VAR (in my JScript) and supply and
> IF statement, but with no result.

If the element is not required to be present (can be NULL in your database), 
change the DTD so that it's presence is optional.  For example, if the foo 
element always includes bar but only sometimes includes baz, use the 

<!ELEMENT foo (bar, baz?)>

-- Ron Bourret

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