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Lab VIEW can access the XML document unless the XML parser encounters errors within the document that prevent the XML parser from parsing the document.
The Parse Errors output displays these XML-related errors.
You must configure all instances of the XML parser if you want to activate all possible features.
You can configure the parser by setting properties on the Document class.
Use the Get XML method if you do not need to pretty print XML data.
In the previous block diagram, the XML output displays the contents of the XML document.
To manipulate an existing file, use the Load File method to load the XML document into memory.
Lab VIEW supports XPath version 1.0, which is defined by the World Wide Web Consortium (W3C).
By now, you have done a lot of experimenting with the nonvalidating parser.
A document is valid if the document complies with an external vocabulary.
In the Lab VIEW parser, the external vocabulary can be a Document Type Definition (DTD) or a schema.
Some parsers only parse the XML and do not validate the XML prior to loading the file. A validating parser validates an XML document against a DTD or schema and reports invalid items it finds.