XML validation with XSD

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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BigRatConnect With a Mentor Commented:
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>
 
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AanvikCommented:
<mycat></mycat>

Is missing in XSD
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WorldBlueAustraliaAuthor Commented:
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
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BigRatCommented:
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!
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WorldBlueAustraliaAuthor Commented:
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
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