=First(Fields!BaseRentUnitPrice.Value, "QuotationLinesDetailsDS")
=First(Fields!Currency.Value, "QuotationHeaderDS") & " " & First(Fields!ChilledWaterUnitPrice.Value, "QuotationLinesDetailsDS")
I tried to restart the ssrs reporting service and everything possible to show the values, but I'm not able to see the values on the report for this specific dataset.