Re: can't create schema for qualified attributes in element with default namespace

From: Stan Kitsis [MSFT] (skits_at_microsoft.com)
Date: 01/24/05 

Date: Mon, 24 Jan 2005 11:44:20 -0800

Hi Martin,

First, in your XML file you are using namespace prefix e3 without defining
it. You need to fix that:

<?xml version="1.0" encoding="utf-8"?>

<e3:e1 xmlns:e1="http://tempuri.org/Source1.xsd"

       xmlns:e3="http://tempuri.org/Source3.xsd"

       e1:att1="1" e1:att2="2"

       e1:rest="345"/>

When generating a schema for this xml, you'll end up with two files (one for
each namespace):

<!-- e1 -->

<?xml version="1.0" encoding="utf-8"?>

<xs:schema xmlns:tns="http://tempuri.org/Source1.xsd"

           attributeFormDefault="unqualified"

           elementFormDefault="qualified"

           targetNamespace="http://tempuri.org/Source1.xsd"

           xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:attribute name="att1" type="xs:integer" />

  <xs:attribute name="att2" type="xs:integer" />

  <xs:attribute name="rest" type="xs:integer" />

</xs:schema>

<!-- e3 -->

<?xml version="1.0" encoding="utf-8"?>

<xs:schema xmlns:e3="http://tempuri.org/Source3.xsd"
xmlns:e1="http://tempuri.org/Source1.xsd" attributeFormDefault="unqualified"
elementFormDefault="qualified"
targetNamespace="http://tempuri.org/Source3.xsd"
xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:import namespace="http://tempuri.org/Source1.xsd" />

  <xs:element name="e1">

    <xs:complexType>

      <xs:attribute ref="e1:att1" use="required" />

      <xs:attribute ref="e1:att2" use="required" />

      <xs:attribute ref="e1:rest" use="required" />

    </xs:complexType>

  </xs:element>

</xs:schema> 

-- 
Stan Kitsis
Program Manager, XML Technologies
Microsoft Corporation
This posting is provided "AS IS" with no warranties, and confers no rights. 
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"Martin" <x@y.z> wrote in message 
news:u705xI5$EHA.1396@tk2msftngp13.phx.gbl...
> I'm using VS.Net 2003 enterprise edition.
>
> I'm trying to regnerate the xsd I already have because I changed the xml 
> file on which the schema was based.
>
> The original schema was based on unqualified attributes.  I have since 
> made the attributes qualified.
>
> I *think* I want to end up with a schema for this xml file
> <?xml version="1.0" encoding="utf-8"?>
>
> <e3:e1 xmlns:e1="http://tempuri.org/Source1.xsd" e1:att1="1" e1:att2="2" 
> e1:rest="345"/>
>
> where the attributes are in a different name space to the element (NB 
> element prefix is now e3), but on creating the schema for this doc, I am 
> simply told e3 is an undeclared namespace.
>
> Ultimately I have 2 different xml files, shown below without name spaces:
> source xml
> <e1 att1="1" att2="2" rest="abc"/>
>
> destination xml transformed from source
> <e2 att1="1" att2="2" att3="a" att4="b" att5="c"/>
>
> My xslt file looks like this:
> <?xml version="1.0" encoding="UTF-8" ?>
> <xsl:style*** version="1.0" 
> xmlns:xsl=http://www.w3.org/1999/XSL/Transform
> xmlns:MyAttrs="urn:MyAttrs"
> xmlns:e1="http://tempuri.org/Source1.xsd">
> <xsl:template match="e1:e1">
> <e2>
> <xsl:attribute name="e1:att1"><xsl:value-of 
> select="@att1"/></xsl:attribute>
> <xsl:attribute name="e1:att2"><xsl:value-of 
> select="@att2"/></xsl:attribute>
> <xsl:for-each select="MyAttrs:getAttrs(@rest)">
> <xsl:attribute name="{name()}"><xsl:value-of select="."/></xsl:attribute>
> </xsl:for-each>
> </e2>
> </xsl:template>
> </xsl:style***>
>
>
> I have used an xslt extension object to produce the attributes 3,4,5, and 
> the resulting xml file includes the namespace of the xslt extension 
> object.
>
> I want to use namespaces correctly, and thought the element namespace was 
> distinct from the attribute namespace.
>
> Can you help me further?
> Thanks
> Martin
>
> "Stan Kitsis [MSFT]" <skits@microsoft.com> wrote in message 
> news:41f03bec$1@news.microsoft.com...
>> Hi Martin,
>>
>> Can you be a bit more specific.  What version of VS are you using and how 
>> are you creating a schema for your XML file?  Also it looks like you 
>> already have a schema, so I'm not sure what you are trying to achieve.
>>
>> -- 
>> Stan Kitsis
>> Program Manager, XML Technologies
>> Microsoft Corporation
>>
>> This posting is provided "AS IS" with no warranties, and confers no 
>> rights.
>>
>>
>> "Martin" <x@y.z> wrote in message 
>> news:usLpCPz$EHA.612@TK2MSFTNGP09.phx.gbl...
>>> Hi,
>>>
>>> I have a xml file like the one below
>>>
>>> <?xml version="1.0" encoding="utf-8"?><e1 
>>> xmlns:e1="http://tempuri.org/Source1.xsd" e1:att1="1" e1:att2="2" 
>>> e1:rest="345"/>
>>>
>>> If I try to create a schema for it with Visual Studio, I get the error
>>> "Failed to create a schema for this data file because:
>>> Although this XML file is well formed, it contains structure that Data 
>>> View cannot display.
>>>
>>> The 'http://tempuri.org/Source1.xsd:att1' atrribute is not declared. An 
>>> error occurred at , (7,8)"
>>>
>>> However if I qualify the e1 element with e1 prefix it is happy.
>>> I thought attributes namespace was independant of the element namespace.
>>>
>>> I don't understand why I am getting this error.
>>> Source1.xsd looks like this:
>>>
>>> <?xml version="1.0" ?>
>>> <xs:schema id="NewDataSet" 
>>> targetNamespace="http://tempuri.org/Source1.xsd" 
>>> xmlns:mstns=http://tempuri.org/Source1.xsd
>>> xmlns="http://tempuri.org/Source1.xsd" 
>>> xmlns:xs="http://www.w3.org/2001/XMLSchema" 
>>> xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
>>> attributeFormDefault="qualified" elementFormDefault="qualified">
>>> <xs:element name="e1">
>>> <xs:complexType>
>>> <xs:attribute name="att1" form="qualified" type="xs:string" />
>>> <xs:attribute name="att2" form="qualified" type="xs:string" />
>>> <xs:attribute name="rest" form="qualified" type="xs:string" />
>>> </xs:complexType>
>>> </xs:element>
>>> <xs:element name="NewDataSet" msdata:IsDataSet="true" 
>>> msdata:Locale="en-GB" msdata:EnforceConstraints="False">
>>> <xs:complexType>
>>> <xs:choice maxOccurs="unbounded">
>>> <xs:element ref="e1" />
>>> </xs:choice>
>>> </xs:complexType>
>>> </xs:element>
>>> </xs:schema>
>>>
>>> Any help much appreciated.
>>>
>>> Thanks
>>> Martin
>>>
>>>
>>
>>
>
>