|
XML Home
XML Tutorial About XML XML Viewers XML Editors XML Documents XML Syntax XML Elements XML Attributes XML with CSS XML with XSL XML Namespace XML Local Namespace XML Default Namespace XML Entities XML Creating Entities XML CDATA DTDDTD IntroductionDTD DOCTYPE DTD Internal DTD External DTD Combined DTD FPI DTD Elements DTD Element Operators DTD Attributes DTD Attribute Default Values DTD Attribute Types DTD General Entities DTD Parameter Entities DTD Embedded Images XSLTXSLT IntroductionXSLT Example XSLT Syntax XSLT <template> XSLT <apply-templates> XSLT <value-of> XSLT <for-each> XSLT <sort> XSLT <if> XSLT <choose> XPathXPath IntroductionXPath Location Path XPath Location Path - Absolute XPath Location Path - Relative XPath Attributes XPath Axis XPath Node Test XPath Predicate XPath Node Set XPath Comparison Operators XPath Boolean Operators XPath Number Operators XPath String Functions Tutorial Summary XHTML Tutorial AJAX Tutorial 
|
DTD Attribute Types - IDREF The attribute type of IDREF is used for referring to an ID value of another element in the document. Syntax:
Example:
Valid XML - The following XML document would be valid, as it conforms to the above DTD:
Invalid XML - The following XML document would be invalid. This is because the "manager_id" attribute of the second element contains a value that isn't the same as a value of another element that contains an attribute with a type of ID:
|
Need Website Content?
Get unique, quality digital content for your website.
|