valid xml schema generates "Duplicated declaration" error in DataSet

Question posted by: jan.geek@gmail.com (Guest) on June 27th, 2008 07:20 PM

Hi all,

When reading the following ugly but valid (according to w3c XSV) xsd
into a DataSet I get "Duplicated declaration PossiblesValue" error.

Can anyone tell me why? This is a small part of a large xsd reverse
engineered from an existing xml output from an application so despite
the structure being crap it can't be changed.

Thanks,

Here's the XSD...

<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="XMLSchema1" targetNamespace="http://tempuri.org/
XMLSchema1.xsd" elementFormDefault="qualified" xmlns="http://
tempuri.org/XMLSchema1.xsd" xmlns:mstns="http://tempuri.org/
XMLSchema1.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:complexType name="Constraint_CT">
<xs:sequence>
<xs:element name="ConstraintType" type="xs:string" />
<xs:group ref="ConstraintsGroup" />
</xs:sequence>
</xs:complexType>
<xs:group name="DeltaOrSetConstraintGroup">
<xs:sequence>
<xs:element name="UseDelta" type="xs:boolean" />
<xs:element name="Constrant1" type="UniformConstraint_CT" />
<xs:element name="Constraint2" type="ValueSet_col" />
</xs:sequence>
</xs:group>
<xs:group name="ConstraintsGroup">
<xs:choice>
<xs:group ref="UniformConstraintGroup" />
<xs:group ref="SetConstraintGroup" />
<xs:group ref="DeltaOrSetConstraintGroup" />
</xs:choice>
</xs:group>
<xs:group name="SetConstraintGroup">
<xs:sequence>
<xs:element name="Possibles" type="ValueSet_col" />
</xs:sequence>
</xs:group>
<xs:complexType name="ValueSet_CT">
<xs:sequence>
<xs:element name="ConstraintType" type="xs:string" />
<xs:element name="Possibles" type="ValueSet_col" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="UniformConstraint_CT">
<xs:sequence>
<xs:element name="ConstraintType" type="xs:string" />
<xs:element name="Min" type="xs:string" />
<xs:element name="Max" type="xs:string" />
<xs:element name="Delta" type="xs:string" />
</xs:sequence>
</xs:complexType>
<xs:complexType name="ValueSet_col">
<xs:sequence>
<xs:element name="PossiblesValue" type="xs:string"
maxOccurs="unbounded" minOccurs="0" />
</xs:sequence>
</xs:complexType>
<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element name="id" type="xs:string" />
<xs:element name="constraint" type="Constraint_CT" />
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:group name="UniformConstraintGroup">
<xs:sequence>
<xs:element name="Min" type="xs:string" />
<xs:element name="Max" type="xs:string" />
<xs:element name="Delta" type="xs:string" />
</xs:sequence>
</xs:group>
</xs:schema>

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