Serialization and elementFormDefault

[Jay]

Hi !

I've got a big XML Schema defined in several files.
There are files in which there are just type definitions.
But i can't modify this Schema and i must use it (Don't ask me why !)
!
Unfortunately, there's a problem in it, which prevents me to Serialize
and Validate an XML file

In XML Schema files, there's the same namespace, but the value for
'elementFormDefault' is'nt the same ! Sometimes it is qualified,
sometimes not !

***********************
Root.xsd
--------
<xsd:schema targetNamespace="URI1" xmlns="URI1"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
elementFormDefault="unqualified" attributeFormDefault="unqualified">
***********************
Child.xsd
---------
<xsd:schema targetNamespace="URI1" xmlns="URI1"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified" attributeFormDefault="unqualified">
***********************
Then I have an XML instance like this :

***********************
RootInstance.xml
----------------
<n:RootElement xmlns:n="URI1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="URI1
Root.xsd">
<ChildElement>
<n:Name>TOTO</n:Name>
<n:BirthDate>1960-12-31</n:BirthDate>
<n:Country>France</n:Country>
</ChildElement>
</n:RootElement>
***********************
So I have two types of Element : those with prefix "n:", those with no
prefix, but both refers to the same namespace URI1.

Now I want to serialize Classes that have the same structure. I
declare them like that :

***********************
[XmlRoot(Namespace = "URI1",
ElementName = "RootElement")]
public class RootElement
{
[XmlElement("ChildElement")]
public ChildElement childElement;

public RootElement()
{}
}
[XmlRoot("ChildElement")]
public class ChildElement
{
[XmlElement("Name")]
public string name;

[XmlElement("BirthDate")]
public string birthDate;

[XmlElement("Country")]
public string country;

public ChildElement()
{}
}
*************************
In order to Serialize, here's the main program's code :

*************************

StreamWriter _writer = null;

RootElement _root = new RootElement();

try
{
XmlSerializer _serConfig = new XmlSerializer(typeof(RootElement));

XmlSerializerNamespaces _xsn = new XmlSerializerNamespaces();
_xsn.Add("n", "http://www.hprim.org/hprimXML");
_xsn.Add("xsi", "http://www.w3.org/2001/XMLSchema-instance");

string nomFichier = @"c:\SerializedXML.xml";

_writer = new StreamWriter(nomFichier,false);
ChildElement _child = new ChildElement();

_child.name = "TOTO";
_child.birthDate = "1960-12-31";
_child.country = "France";
_root.childElement = _child;

_serConfig.Serialize(_writer, _hprim, _xsn);

}
catch (System.Exception _err)
{
System.Diagnostics.EventLog.WriteEntry("Serializer ",_err.Message,
EventLogEntryType.Error);
}
finally
{
if (_writer!=null) _writer.Close();
}

***********************
But when i run the main program I get that :

***********************
SerializedXML.xml
----------------
<n:RootElement xmlns:n="URI1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="URI1
Root.xsd">
<n:ChildElement>
<n:Name>TOTO</n:Name>
<n:BirthDate>1960-12-31</n:BirthDate>
<n:Country>France</n:Country>
</n:ChildElement>
</n:RootElement>
***********************
I think my result is logic, because ChildElement takes the same
namespace as RootElement and also the same prefix. But I want it not
have this prefix.
I think the question is : how can i define a different behavior for
ChildElement without changing its namespace ??

Thanx a lot for that !!

[Jay]

Finally I found it !
The message took a long time to appear so that i could find the answer

ChildElement has the same namespace as RootElement
But you can specify in the Attribute [XMLElement("ChilElement")] the
value of a property called "Form" and define it as "Unqualified"

[XMLElement("ChilElement", Form = XmlSchemaForm.Unqualified)]

you have to use System.Xml.Schema

[Bjoern Hoehrmann]

* Jay wrote in microsoft.public.dotnet.xml:

<n:RootElement xmlns:n="URI1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="URI1
Root.xsd">
<ChildElement>
<n:Name>TOTO</n:Name>
<n:BirthDate>1960-12-31</n:BirthDate>
<n:Country>France</n:Country>
</ChildElement>
</n:RootElement>
***********************

So I have two types of Element : those with prefix "n:", those with no
prefix, but both refers to the same namespace URI1.

No, they do not, ChildElement is in no namespace here, only the default
namespace is inherited which is in your example no namespace. Maybe you
want

<n:RootElement
xmlns:n = "URI1"
xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation = "URI1 Root.xsd">
<ChildElement xmlns = "URI1">
...

but then I miss the difference? If you want ChildElement to be in no
namespace as in your instance above, you must not declare a namespace
for it.