How to put restrictions on XML attribute in schema
Well, it's official: I'm thick. I have been programming years, but have never had to define an XML schema before and it is driving me up the wall. Despite looking at tens of examples, I just can't get the syntax right for defining an mandatory attribute on an element with the restriction that the attribute must be a number between 1 and 100.
I can't even get the following simpler example to work, which simply states the attribute must be a positive integer. The schema doesn't report any errors with this but when I try to use the attribute in an XML document, I get an error saying that the attribute is not defined.
This is my schema:
<xs:element name="title" type="xs:string"/>
<xs:attribute name="ID" type="MyType2" use="required"/>
And this is my XML document:
<xs:attribute name="MyType2" type="xsositiveInteger"/>
Please help before I go mad.
Kind wishes, Patrick
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