Using CRXI, I have an array that is initialized in the report header called Valid Columns Array.
//init
whileprintingrecords;
shared numbervar array colHdrValid:=[0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0];
true
The array is to check on valid Market Groups...