Validating XML against XSD

[Patrick Lam]

I know I could use System.Xml.XmlValidatingReader to validate XML against XSD.

 

However, it seems like in order to do that, my XML document need to have namespace defined (similar to those used in the XSD).  When I created my XML (and its child elements), I didn't actullay specify a namespace).  Could I get away with validating a XML that has neither the XSD namespace or the xsd path specified in the DocumentElement and for each child element under that?

 

I have created a function as follows to do the validation itself.

 

Private

Function ValidateAgainstXsd(ByVal objXmlDoc As XmlDocument, _

ByVal strXsdPath As String)

    Dim objDOMValidatingReader As XmlValidatingReader

    objDOMValidatingReader = New XmlValidatingReader( _

    objXmlDoc.OuterXml, _

    XmlNodeType.Element, _

    Nothing)

    objDOMValidatingReader.Schemas.Add(Nothing, strXsdPath)

    objDOMValidatingReader.ValidationType = ValidationType.Schema

    AddHandler objDOMValidatingReader.ValidationEventHandler, AddressOf ValidationHandler

    'While there is XML Elements - loop

    While objDOMValidatingReader.Read()

    End While

End Function

[Dare Obasanjo]

There is no mandatory reason to include the "http://www.w3.org/XMLSchema" or
the "http://www.w3.org/XMLSchema-instance" namespace in valid instance
documents.

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