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Xml Reader methods let you move through XML data and read the contents of a node. An XML document is considered to be well formed if it meets all the syntactical requirements defined by the W3C XML 1.0 Recommendation. This class conforms to the W3C Extensible Markup Language (XML) 1.0 (fourth edition) and the Namespaces in XML 1.0 (third edition) recommendations. To define the structure of an XML document and its element relationships, data types, and content constraints, you use a document type definition (DTD) or XML Schema definition language (XSD) schema. Value) End Select End While End Using End Function Xml Reader provides forward-only, read-only access to XML data in a document or stream. Xml Reader also provides data conformance checks and validation against a DTD or schema. This model: In this section: Creating an XML reader Validating XML data Data conformance Navigating through nodes Reading XML elements Reading XML attributes Reading XML content Converting to CLR types Asynchronous programming Security considerations Use the Create method to create an Xml Reader instance. NET Framework provides concrete implementations of the Xml Reader class, such as the Xml Text Reader, Xml Node Reader, and the Xml Validating Reader classes, we recommend that you use the specialized classes only in these scenarios: To specify the set of features you want to enable on the XML reader, pass an System. Use the Read State property to check whether the reader is in error state.
Now we just need to get the framework to give us an instance of that class.The course also covers XML serialization according to XML Schema and the tight coupling between XML and ADO. It includes a practical discussion of performance tradeoffs for various XML technology alternatives.Every sample program and exercise adheres to W3C and . The course is intended for experienced software developers with a working knowledge of XML, and familiarity with DTDs or XML Schema, who want to build XML applications or components using Microsoft's . Upon completion of this course, participants will be able to create XML applications in . NET technologies to meet the application program's requirements. Xml Reader doesn't support XML-Data Reduced (XDR) schema validation. You can validate the data against a DTD, an inline XSD Schema, or an XSD Schema stored in an Xml Schema Set object (a cache); these scenarios are described on the Create reference page.