每个控件都有表达式"选项.您只需要在其中使用iif语句即可.

像这样的东西:
用于奢华领域

There are ''Expression'' option available for every control. All you need is to use a iif statment in it.

Something like:
for luxary field

="1 luxury:" & iif(Parameters!ParamName.Value == "1","@5% "&Fields!mydata.Value,  Fields!mydata.Value)

试试吧！

Try!