How do you sum in XSLT?


  1. Name. sum() Function — Converts all nodes in the argument node-set to numbers, and then returns the sum of all of those numbers.
  2. Synopsis. number sum( node-set )
  3. Inputs. A node-set.
  4. Output. The sum of the numeric values of all of the nodes in the argument node-set.
  5. Defined in.
  6. Example.

How do you add variables in XSLT?

XSLT Tip: You can add a value to a variable by the content of the element OR by the select attribute!

How do I sum in XPath?

XPath Sum

  1. 1 Overview. The sum() function returns the sum of its argument. The function requires an XPath query as argument. The function must specify a column in the query to aggregate.
  2. 2 Examples. This query returns the sum of the total prices of all placed orders: sum(//Sales.Order/TotalPrice) Java.

What is XSLT explain with example?

XSLT is a language for transforming XML documents into another XML documents. XSL includes an XML vocabulary for specifying formatting. XSL specifies the styling of an XML document by using XSLT to describe how the document is transformed into another XML document that uses the formatting vocabulary.

What is XPath function?

XPath is a major element in the XSLT standard. XPath can be used to navigate through elements and attributes in an XML document. XPath is a syntax for defining parts of an XML document. XPath uses path expressions to navigate in XML documents. XPath contains a library of standard functions.

How is XSLT used?

XSLT (Extensible Stylesheet Language Transformations) is a language for transforming XML documents into other XML documents, or other formats such as HTML for web pages, plain text or XSL Formatting Objects, which may subsequently be converted to other formats, such as PDF, PostScript and PNG.

How does the sum ( ) function in XSLT work?

If any node in the node-set can’t be converted to numbers (passing them to the number () function returns NaN ), the sum () function returns NaN. A node-set. Any node in the node-set that is not a number is converted to a number as if it were passed to the number () function, then the numeric values of all of the nodes are summed.

Which is an example of the sum function in XPath?

Returns the sum of all nodes in the node-set. Each node is first converted to a number value before summing. This example demonstrates the XPath expression sum (//a). It returns 6, which is the sum of the numbers in elements.

What kind of math can you do in XSLT?

XSLT is about manipulating text, not numbers, but you can build on the mathematical operations provided as part of XSLT to perform more complicated calculations. For example, the following stylesheet, which accepts any document as input, computes the value of pi.

How to add a computed value in XSLT-XML?

If no more iterations to do, add computed value to result tree. –> The repetition is implemented using a recursive named template.