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how to represent it in dtd?
原标题:
  • 时间:2009-11-13 17:55:23
  •  标签:
  • xml
  • dtd

I have two element action and guid. guid is a required field when action is add. but when action is del it will not appear in file.

How to represent this in dtd ?

问题回答

You may be able to express what you re saying in XMLSchema, but I m fairly certain that it isn t possible in DTDs, unless you make "add" and "del" different types of elements (rather than having them both be action elements).





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