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XML validation with XSD

Posted on 2009-05-13
5
681 Views
Last Modified: 2013-11-19
Hello Experts,

I'm getting the following error with my validation:
System.Xml.Schema.XmlSchemaValidationException: The 'request' element is not declared.

Any ideas?

Thanks
Don
XSD:
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="request">
    <xs:complexType id="request">
      <xs:sequence>
        <xs:element name="username" type="xs:string" />
        <xs:element name="password" type="xs:string" />
        <xs:element name="hotelid" type="xs:positiveInteger" />
        <xs:element name="startdate" type="xs:string" />
        <xs:element name="enddate" type="xs:string" />
        <xs:element name="roomid" type="xs:positiveInteger" minOccurs="0" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>
 
XML
<?xml version="1.0" ?>
<request>
  <userName>hotel</userName>
  <password>password</password>
  <hotelId>628</hotelId>
  <startDate>23/07/2009</startDate>
  <endDate>26/07/2009</endDate>
  <roomId>0</roomId>
  <mycat></mycat>
</request>

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Question by:WorldBlueAustralia
  • 2
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5 Comments
 
LVL 5

Expert Comment

by:Aanvik
ID: 24380977
<mycat></mycat>

Is missing in XSD
0
 

Author Comment

by:WorldBlueAustralia
ID: 24381054
Thanks Aanvik,

That was a test for me to see if if was validating. I removed it with no result.

Have a look at my post and read the error message.
The 'request' element is not declared.

I think the problem in in the root element.

Cheers
Don
0
 
LVL 27

Expert Comment

by:BigRat
ID: 24383222
In the schema :-

username should be userName
hotelid should be hotelId
startdate should be startDate
enddata should be endData
roomid shoukld be roomId

Or of couse the other way round!
0
 
LVL 27

Accepted Solution

by:
BigRat earned 500 total points
ID: 24383254
And now to the real problems

1) the XSD should define each element in turn (none other than request are defined)

2) the elements INSIDE an element should be references :-

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="request">
    <xs:complexType id="request">
      <xs:sequence>
        <xs:element ref="userName"/>
        <xs:element ref="password"/>
        <xs:element ref="hotelId" />
        <xs:element ref="startDate"/>
        <xs:element ref="endDate" />
        <xs:element ref="roomId" minOccurs="0" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
        <xs:element name="userName" type="xs:string" />
        <xs:element name="password" type="xs:string" />
        <xs:element name="hotelId" type="xs:positiveInteger" />
        <xs:element name="startDate" type="xs:string" />
        <xs:element name="endDate" type="xs:string" />
        <xs:element name="roomId" type="xs:positiveInteger"/>
</xs:schema>
 
0
 

Author Closing Comment

by:WorldBlueAustralia
ID: 31581288
Thanks Big Rat, I got the xml to start using the XSD to validate. My next project is to do it progamatically. I'll post that question now.
"Progamatically validate passed in XML with external XSD"

Many thanks
0

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