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delphi 2007 xml data binding. problems with namespaces.

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fabrizio...@gmail.com

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Feb 2, 2009, 9:54:02 AM2/2/09

I tried to import an xml schema with XML Data Bindind (Delphi 2007),
but i have a problem with namespaces.
The namespace is written before every element, and not only before the
root element.

I obtain these code:

<ns2:CanonicalUri>urn:x-moda-ml:specification:documents:decoding-
tables:xml:NT1</ns2:CanonicalUri>

<ns2:CanonicalVersionUri>urn:x-moda-
ml:specification:documents:decoding-tables:xml:NT1:2008-1</
ns2:CanonicalVersionUri>

<ns2:LocationUri>http://www.moda-ml.net/moda-ml/repository/codelist/
v2008-1/gc_NT1.xml</ns2:LocationUri>
<ns2:Agency>
<ns2:LongName>Organizzazione</ns2:LongName>
</ns2:Agency>
</ns2:Identification>
<ns2:ColumnSet>
<ns2:Column Id="Code" Use="required">
<ns2:ShortName>Code</ns2:ShortName>
<ns2:Data Type="string"/>
</ns2:Column>
<ns2:Column Id="Description" Use="optional">
<ns2:ShortName xml:lang="en">Description</ns2:ShortName>
<ns2:Data Type="string"/>
</ns2:Column>
<ns2:Column Id="Descrizione" Use="optional">
<ns2:ShortName xml:lang="it">Descrizione</ns2:ShortName>
<ns2:Data Type="string"/>
</ns2:Column>
<ns2:Key Id="CodeKey">
<ns2:ShortName>CodeKey</ns2:ShortName>
<ns2:ColumnRef Ref="Code"/>
</ns2:Key>
</ns2:ColumnSet>
<ns2:SimpleCodeList>
<ns2:Row>
<ns2:Value ColumnRef="Code">
<ns2:SimpleValue>A</ns2:SimpleValue>
</ns2:Value>
<ns2:Value ColumnRef="Description">
<ns2:SimpleValue>blanket</ns2:SimpleValue>
</ns2:Value>
<ns2:Value ColumnRef="Descrizione">
<ns2:SimpleValue>aperto</ns2:SimpleValue>
</ns2:Value>
</ns2:Row>
</ns2:SimpleCodeList>
</ns2:CodeList>

instead of this one:

<?xml version="1.0"?>
<ns2:CodeList xmlns:ns2="http://docs.oasis-open.org/codelist/ns/
genericode/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://docs.oasis-open.org/codelist/ns/genericode/
1.0/ http://docs.oasis-open.org/codelist/genericode/xsd/genericode.xsd">
<Identification>
<ShortName>NT1</ShortName>
<LongName xml:lang="en">Order type</LongName>
<LongName xml:lang="it">Tipo ordine</LongName>
<Version>2008-1</Version>
<CanonicalUri>urn:x-moda-ml:specification:documents:decoding-
tables:xml:NT1</CanonicalUri>
<CanonicalVersionUri>urn:x-moda-
ml:specification:documents:decoding-tables:xml:NT1:2008-1</
CanonicalVersionUri>
<LocationUri>http://www.moda-ml.net/moda-ml/repository/codelist/
v2008-1/gc_NT1.xml</LocationUri>
<Agency>
<LongName Identifier="Organizzazione"/>
</Agency>
</Identification>
<ColumnSet>
<Column Id="Code" Use="required">
<ShortName>Code</ShortName>
<Data Type="string"/>
</Column>
<Column Id="Description" Use="optional">
<ShortName xml:lang="en">Description</ShortName>
<Data Type="string"/>
</Column>
<Column Id="Descrizione" Use="optional">
<ShortName xml:lang="it">Descrizione</ShortName>
<Data Type="string"/>
</Column>
<Key Id="CodeKey">
<ShortName xml:lang=""/>
<ColumnRef Ref="Code"/>
</Key>
</ColumnSet>
<SimpleCodeList>
<Row>
<Value ColumnRef="Code">
<SimpleValue>A</SimpleValue>
</Value>
<Value ColumnRef="Description">
<SimpleValue>blanket</SimpleValue>
</Value>
<Value ColumnRef="Descrizione">
<SimpleValue>aperto</SimpleValue>
</Value>
</Row>
</SimpleCodeList>
</ns2:CodeList>

So, in the first example, the ns2 label, the namespace, is written
before every element dependent from the root element. If i try to
validate this code using XML Spy, i get an error.

This is the function created by the wizard:

function NewCodeList: IXMLCodeListDocument;
begin
Result := NewXMLDocument.GetDocBinding('CodeList',
TXMLCodeListDocument, TargetNamespace) as IXMLCodeListDocument;
end;

but in this way the namespace is omitted. i've re-written the
function:

function NewCodeList: IXMLCodeListDocument;
begin
Result := NewXMLDocument.GetDocBinding('ns2:CodeList',
TXMLCodeListDocument, TargetNamespace) as IXMLCodeListDocument;
end;

With this new version i have the namespace

<ns2:CodeList
xmlns:ns2="http://docs.oasis-open.org/codelist/ns/genericode/1.0/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://docs.oasis-open.org/codelist/ns/genericode/
1.0/
http://docs.oasis-open.org/codelist/genericode/xsd/genericode.xsd">

but also the ns2 label reported before every element and not only
before the root, ex:
<ns2:Identification>
<ns2:ShortName>NT1</ns2:ShortName>
<ns2:LongName xml:lang="it">Tipo ordine</ns2:LongName>

instead of:
<Identification>
<ShortName>NT1</ShortName>
<LongName xml:lang="it">Tipo ordine</LongName>

Any suggestion will be very appreciated, thanks.

Fabrizio Verdesca, fabr...@inteaonline.it

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