That was exactly the right hint. Thank you very much Martin.


Martin Honnen schrieb:

> espresso wrote:
>
> > I've written a method that checks it a XML file conforms to a specific
> > XML schema. One of my XML schemas is rather complex and involves
> > namespaces etc.
> >
> > Now I'm having the problem, that if I use my method with any general
> > XML file, that does not even has the right root element, it returns
> > true, which means the xml file conforms to that xsd. Bad problem :-(
> > When i check the XML file with XMLSpy (i have to assign the schema
> > first), XMLSpy says the XML file is not valid - of course.
>
> The problem is that in terms of XSD schema validation if the validator
> looks at the root element of your XML instance document that it decides
> based on the namespace of the element whether it has a schema to
> validate against or not. If it does not find a schema with the target
> namespace being the namespace of the root element then it only emits a
> warning but does not report a validation error. So set up a
> ValidationEventHandler and make sure you receive warnings, then check
> those warnings and you should get a warning in the handler if an XML
> document is being validated where the validator can't find a schema with
> a matching namespace.
>
>
> >             XmlDocument xmlDoc = new XmlDocument ();
>
> Alternatively, if you use XmlDocument to load the XML, you can simply
> check whether xmlDoc.DocumentElement.NamespaceURI matches the schemas
> target namespace.
>
>
>
> 
> -- 
> 
> 	Martin Honnen --- MVP XML
> 	http://JavaScript.FAQTs.com/