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Re: schema not working

From: Jeni Tennison <jeni@jenitennison.com>
Date: Wed, 10 Oct 2001 18:31:43 +0100
Message-ID: <13219430920.20011010183143@jenitennison.com>
To: "Ian Rogers" <ian.rogers@net800.co.uk>
CC: "Xml Schema" <xmlschema-dev@w3.org>
Hi Ian,

> i am trying to run my xml document which i am validating against a
> schema at run time. the trouble is when i validate it against my xml
> at runtime it only display the xml code to the browser not the
> results of the xslt/xml translation. I presume this must be that it
> can't find the schema to validate against and so it just displays
> the xml text
>
> When i run my xml this is  what gets displayed;
>
> <?xml version="1.0" ?>
> - <transactions xmlns:xsi="http://www.w3.org/2001/10/XMLSchema-instance"
> xsi:schemaLocation="http://www.w3.org/2001/XMLSchema">
> - <details>
>   <date>12/03/2001</date>
>   <merchant>sun</merchant>
>   <website>www.sun.com</website>
>   <amount>900</amount>
>
> if anyone can can give me any advice or any example xml documents
> that validate against a schema then i would be extremely grateful

I think that the main problem is that you haven't got the correct URL
for the XMLSchema-instance namespace. It should be:

  http://www.w3.org/2001/XMLSchema-instance
                       ^^^ no /10/

Then you need to sort out what the location of the schema that you're
pointing to is from the instance document. I think it's trans.xsd in
the same directory as the instance document.

Now, you aren't using a namespace for the elements in your document
(e.g. the transactions element) and from your previous post, your
schema doesn't have a target namespace, so you need to use the
xsi:noNamespaceSchemaLocation attribute, and its value needs to be the
(relative) URI pointing to the schema.

So the start tag of the transactions element in your instance document
should look like:

<transactions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:noNamespaceSchemaLocation="trans.xsd">
...
</transactions>

*However* I don't think that this has anything to do with the XML
document not being transformed with the XSLT stylesheet. As far as I
can see, you haven't given IE any pointer to the XSLT stylesheet that
you want to use with the document. You need an xml-stylesheet
processing instruction at the top of your instance document, something
like:

<?xml-stylesheet type="text/xsl" href="trans.xsl"?>
<transactions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:noNamespaceSchemaLocation="trans.xsd">
...
</transactions>

That tells IE to use trans.xsl to transform the instance document.

Also, IE6 doesn't use MSXML4 unless you do the
validation/transformation using a script. If you're just loading in
the XML document, IE6 won't validate automatically against an XML
Schema schema (only against an XDR schema).

I hope that's some help,

Jeni

---
Jeni Tennison
http://www.jenitennison.com/
Received on Wednesday, 10 October 2001 13:31:47 GMT

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