len

Description

Returns the length of the argument, which may be a string or a dataset. If the argument is a string, it returns the number of characters in the string. If the argument is a dataset, it returns the number of rows in the dataset. Will return zero if the argument is null.

Syntax

len( value )

Examples
 len("Hello World") //returns 11
 len({Root Container.Table.data}) //returns the number of rows in the table.