expression when sum have minus number then show 0

Question

I have textbox with expression

=Sum(Fields!servicetotal.Value, "Service") - Sum(Fields!servicefee.Value, "Service")

Got the correct result.

If the result number is negative, then I need to show (display) 0.

Can you help me? Thank you.

Answer 1

=IIF(
     Sum(Fields!servicetotal.Value, "Service") - Sum(Fields!servicefee.Value, "Service")<0,
    0,
    Sum(Fields!servicetotal.Value, "Service") - Sum(Fields!servicefee.Value, "Service")
    )