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October 1, 2009
Count
The Count() function can be used to return the number of instances of a given repeated item.
Example 1:
Simply return the number of items entered into the repeat. The count() function takes 1 parameter; the name of the parent element.
«ForEach(Child)»
«Child_Name»
«End()»
Number of children: «count(Child)»
Example 2:
Use the count() function in a condition to return the correct plural in the document.
«ForEach(Child)»
«Child_Name», (Age «Age»)
«End()»
«When(Count(Child) > 1,Children,Child)»
Example 3:
Use the count() function with a different type of condition (predicate) to return a filtered list:
«ForEach(Child)»
«Child_Name», (Age «Age»)
«End()»
Children over the age of 12: «count(Child[Age > 12])»