Crystal Reports Crosstab Total

Message

   Can anyone tell me how I can exclude a zero in a cross tab total? I will give the following example to illustrate what I mean.
I want only to see the totals that are not zero.
Thanks in advance.

              ACTUAL Cross Tab

          C1
           C2
           C3
      Total

R1
100
-80
10
30

R2
150
-100
-50
0

R3
200
-50
0
150

R4
300
-200
-100
0

750
-430
-140
180

                 DESIRED Cross Tab

           C1
           C2
           C3
       Total

R1
100
-80
10
30

R3
200
-50
0
150

300
-130
10
180