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Help regarding an XML attribute.

  • From: Huy-Lan Phan <Huylanp@O...>
  • To: xml-dev@l...
  • Date: Mon, 15 Oct 2001 10:23:08 -0400

xml attribute mandatory
Hi.
I have a regular element (not complexElement) and I'd
like to create an attribute for it but could not find
a way to validate this mandatory attribute.

Basically I want to be able to validate using XSD the
following element with its attribute:

<Attachment dt:dt="bin.base64"
FileName="ReadMe.pdf">JVBERi0xLjMNJeLjz9MNCjEgMCBvYmoNPDwgDS9UeXBlIC9QYWdlIA
0vUGFyZW5
0IDExIDAgUiANL1Jlc291cmNlcyAyIDAgUiANL0NvbnRlbnRzIDMgMCBSIA0vTWVka
WFCb3ggWyAwIDAgDTIxOTA4DSUlRU9GDQ==</Attachment>

However, I can't write the proper XSD statement to make the
attribute FileName mandatory to the element <Attachment>. It always
give error and I think only a complex element can have attributes.

Is that right ? if not then how can I write the XSD statement to
make the attribute mandatory ?

Thanks for any help.

Lan.

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