A 
		
								
				
				
			
		ande
I am trying to sum a column which works okay.  But when I
add more data to that column or insert more rows into
that column the sum does NOT change. I have to resum the
column manually. What's the problem.
				
			add more data to that column or insert more rows into
that column the sum does NOT change. I have to resum the
column manually. What's the problem.
