Using Exit For (Crystal syntax)

You can exit from a For loop by using Exit For. The following example searches the Global array names for the name "Fred". If it finds the name, it returns the index of the name in the array. Otherwise it returns -1.

For example, if the names array is:

["Frank", "Helen", "Fred", "Linda"]

Then the formula returns 3.

Global StringVar Array names;
//The names array has been initialized and filled
//in other formulas
Local NumberVar i;
Local NumberVar result := -1;
//The UBound function returns the size of its array
//argument
For i := 1 to UBound (names) Do
(
   If names [i] = "Fred" Then
   (
      result := i;
      Exit For
   )
);
result

When considered as an expression, the For loop always returns the Boolean value True. Thus you will almost never want a For loop to be the last expression in a formula, since then the formula will then just display the value True rather than your intended result.

Crystal Reports for Rational Application Developer Designer Guide

Using Exit For (Crystal syntax)