Re: [oXygen-user] Problem generating XML document from schema

20 Feb 2008

      Dear Peter,

Both schemas you are referring to do not define any element. They define 
only types.

Looking into the database schema I noted an annotation referring to a 
root element, but that is inside a type declaration:

   <xs:complexType name="catalog">
     <xs:annotation>
       <xs:documentation>Root element. A catalog is made up of one or
         more institutions.</xs:documentation>
     </xs:annotation>
     <xs:sequence>
       <xs:element name="institution" type="cdbdata:institution"
         maxOccurs="unbounded"></xs:element>
     </xs:sequence>
   </xs:complexType>

If you define a catalog element and specify the above catalog type as 
its type, like below for example:

<xs:element name="catalog" type="cdbdata:catalog"/>

then oXygen will present the catalog element in the instance generator 
dialog.

Best Regards,
George
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George Cristian Bina - http://aboutxml.blogspot.com/
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com

Bradley, Peter wrote:
...
Hi,
I’m involved in writing an application that will obtain data from and 
send data to the UK Student Loan Company via a Web service that is 
planned to be available shortly.  The necessary schema information is 
contained in the Database Schema and Database Types xsd files available 
from:
http://www.ucisa.ac.uk/groups/cisg/misgdocs/HEICourseDatabase
I’ve downloaded the files and opened them in <oXygen/>.  In order to get 
an idea of the kind of document I will need to be able to write into and 
generate from our database, I have tried to generate a sample XML file.
With the HEICourseDatabaseSchema.xsd file open in <oXygen/> I do Tools à 
Generate Sample XML Files …
In the dialog, I browse to the HEICourseDatabaseSchema.xsd file, for the 
URL.  I then try to set a document root, but the Document root drop down 
list is empty.  The HEICourseDatabaseTypes.xsd file is in the same 
directory as the HEICourseDatabaseSchema.xsd file and should therefore 
be available, so it’s not that.
Can anyone point out to me the obvious point that I’m missing, please?  
I’ve never had trouble generating sample files before, so I just don’t 
see what I’m doing wrong.
Many thanks
Peter
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