How does the count function work in XSLT?

The syntax says the count function tells the XSLT processor to count each time in which an XML tag found at the XPATH expression. It returns a number value that specifies the number of sequence elements contained in a sequence of items that passes by.

How to define the XSLT element in XSL?

XSLT <xsl:number> 1 Definition and Usage. The element is used to determine the integer position of the current node in the source. 2 Syntax 3 Attributes. Defines the output format for the number. Specifies whether the numbering in the selected language is alphabetic or traditional.

Which is the fastest way to count nodes with XSLT?

The fastest method for counting nodes with XSLT that I know of is to create a key and count nodes in the key. Behold:

Are there any other checks for uniqueness in XSLT?

Note that I have removed all the other checks (for ID and Value). They appear not to be required since you are able to arrive at the relevant node using the hierarchy in the XML. Also, you already mentioned that the check for uniqueness is based only on the contents of the long element.

How to count child nodes in Stack Overflow?

But you can select all orderDetail elements ( //orderList/orderInfo/orderDetail ), iterate through them and count the order elements in the current context, or set the predicate value as a variable to select a specific orderDetail. Thanks for contributing an answer to Stack Overflow!

How to count all order elements in a node?

If you want to count all order elements in the orderList/orderInfo/orderDetail nodes (ignoring their current context), then you could use: If you want to count the number of orders for a specific orderDetail, then you should use a predicate to select which orderDetail you want:

How to count the number of orders in XPath?

If you want to count the number of orders for a specific orderDetail, then you should use a predicate to select which orderDetail you want: Unless you are using XPath 2.0 or a greater version, you won’t be able to return a collection of results with a single expression.