FormatCurrency(
(SUM(iif(IsNothing(Fields!Planned.Value),0,Fields!Planned.Value))-(SUM(iif(IsNothing(Fields!Actuals.Value),
iif(IsNothing(Fields!Forecasts.Value),0,Fields!Forecasts.Value),
iif(Fields!Actuals.Value=0,iif(IsNothing(Fields!Forecasts.Value),
0,
Fields!Forecasts.Value),Fields!Actuals.Value))))),
iif(Parameters!DecimalDigits.Value=1,1,iif(Parameters!DecimalDigits.Value=2,2,0)),0,0,0)
)
这是我的表达式,它返回负值以及如何在数字前面删除此负号