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This is a thorny one. Functions in XSLT and XQuery can create new nodes, and this is a limited kind of side-effect. If f creates a new node, then f is f is defined to be false; similarly generate-id(f) = generate-id(f) will also be false. This means the optimizer has some work to do to decide whether functions have this effect or not. Jun 22, 2010 generate-id generates an id value which can differ based on the XSLT processor you use so I don't think you want to use it for the above code. You simply seem to want to insert the 'id' attribute value of the 'bib' element for each 'author' element so you could simply write a template.
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Sep 22, 2009 Unique Values, XSLT/XPath 2.0. Unique values and grouping becomes much easier with xsl:for-each-group and current-grouping-key. Note we are now using a slightly more comprehensive version of conferences.xml.
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XSLT v1.0 does not include any explicit support for grouping, however it is possible to achieve the same effect through creative use of the key and generate-id functions. This is called the Muenchian Method after its inventor Steve Muench: Create an index such that all elements with a given key can be retrieved quickly and efficiently. XSLT Tutorial XSLT Introduction XSL Languages XSLT Transform XSLT XSLT XSLT XSLT XSLT XSLT XSLT Apply XSLT on the Client XSLT on the Server XSLT Edit XML XSLT Examples XQuery Tutorial XQuery Introduction XQuery Example XQuery FLWOR XQuery HTML XQuery Terms XQuery Syntax XQuery Add XQuery. The first generate-id above returns an id for the current City. The second generate-id above returns an id for the first City with a State attribute that is the same as the current City's State attribute. These values will only be equal for the first City elements with a specific State attribute. Oct 07, 2008 Unique Values, XSLT/XPath 1.0. Generate-id gives a string id of the current node (something like 'N40067') /conferences/school list of nodes of the school elements defined.
<xsl:key> tag element specifies a named name-value pair assigned to a specific element in an XML document. This key is used with the key() function in XPath expressions to access the assigned elements in an XML document.
Declaration
Following is the syntax declaration of <xsl:key> element.
Attributes
| S.No | Name & Description |
|---|---|
| 1 | Name Name of the key to be used. |
| 2 | Match Patterns used to identify a node that holds this key. |
| 3 | Use XPath expression to identify the value of the nodes of xml document. |
Elements
Xslt Generate Id Key Example For Students
| Number of Occurrences | Unlimited |
| Parent elements | xsl:stylesheet |
| Child elements | None |
Demo Example
This example creates a table of <student> element with its attribute rollno and its child <firstname>, <lastname>, <nickname>, and <marks> by iterating over each student. It checks key as firstname to be one of the student's name and then prints the student details.
students.xml
Microsoft office word 2010 key generator. students.xsl
Xml Xsl Examples
Output
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