The Xml Document class does not validate the XML in the Document Object Model (DOM) against an XML Schema definition language (XSD) schema or document type definition (DTD) by default; the XML is only verified to be well-formed.
To validate the XML in the DOM, you can validate the XML as it is loaded into the DOM by passing a schema-validating Xml Reader to the Load method of the Xml Document class, or validate a previously unvalidated XML document in the DOM using the Validate method of the Xml Document class.
' The invalid changes cause schema validation errors. Validate(Address Of Validation Event Handler) ' Correct the invalid change to the first price element. Inner Xml = "8.99" ' Validate only the first book element. Message) Catch ex As Xml Schema Validation Exception Console.
Select Nodes("/bk:bookstore/bk:book/bk:price", manager) Dim lastprice As Xml Node = price Nodes(price Nodes. Inner Xml = "B" ' Validate the XML document with the invalid changes.
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