reporting 整数不显示小数位

=IIf((CInt(Sum(Fields!Quantity.Value)))=Sum(Fields!Quantity.Value),CInt(Sum(Fields!Quantity.Value)),FormatNumber(Sum(Fields!Quantity.Value),2)) =IIf((CInt(Fields!Quantity.Value))=Fields!Quantity.Value,CInt(Fields!Quantity.Value),FormatNumber(Fields!Quantity.Value,2))