Hi!
I need to validate this xml file
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<?xml version="1.0" encoding="utf-8" ?>
<ElementGroup1A xmlns= "http://tempuri.org/XMLSchema.xsd">
	<Na></Na>
	<Li></Li>
</ElementGroup1A>
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according to this schema
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<?xml version="1.0" encoding="utf-8" ?>
<xs:schema targetNamespace="http://tempuri.org/XMLSchema.xsd"
                  elementFormDefault="qualified"
                  xmlns="http://tempuri.org/XMLSchema.xsd"
                  xmlns:mstns="http://tempuri.org/XMLSchema.xsd"
                  xmlns:xs="http://www.w3.org/2001/XMLSchema">
                  <xs:element name="ElementGroup1A">
		<xs:complexType mixed="true">
			<xs:choice>

				<xs:element ref="SodiumFamily"></xs:element>
				<xs:element ref="H"></xs:element>
			</xs:choice>
		</xs:complexType>
	</xs:element>
	<xs:element name="H"></xs:element>
	<xs:element name="Na"></xs:element>
	<xs:element name="Li"></xs:element>
	<xs:element name="Ca"></xs:element>
	<xs:element name="SodiumFamily">
		<xs:complexType mixed="true">
			<xs:choice>
				<xs:element ref="Na"></xs:element>
				<xs:element ref="Li"></xs:element>
				<xs:element ref="Ca"></xs:element>
			</xs:choice>
		</xs:complexType>
	</xs:element>
</xs:schema>
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I am using XMLValidatingReader as
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Dim v As New Xml.XmlValidatingReader(TextArea.Text,
Xml.XmlNodeType.Element, Nothing)
v.Schemas.Add("http://tempuri.org/XMLSchema.xsd", "XMLSchema.xsd")
v.ValidationType = Xml.ValidationType.Schema
AddHandler v.ValidationEventHandler, AddressOf errorDetector
While v.Read : End While
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but validator finds following validation errors in the XML
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The element 'http://tempuri.org/XMLSchema.xsd:ElementGroup1A' has
invalid child element 'http://tempuri.org/XMLSchema.xsd:Na'. Expected
'http://tempuri.org/XMLSchema.xsd:SodiumFamily
http://tempuri.org/XMLSchema.xsd:H'. An error occurred at , (3, 3).
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You can see XMLValidatingReader is taking SodiumFamily as an element
rather than a block of element.Is there any way that i can compell
XMLValidatingReader to differntiate between element and block of
elements or is there any modification i can do in schema.

Regards,
Khawar