If statement in rdlc.#error

Hi ,

I am using below formula in a textbox in RDLC with IIF.

=iif(Fields!Qty_3.Value="",0, 1)

Getting Perfect out put=0

but when i a trying the actual requirment i am getting #Error.

=iif(Fields!Qty_3.Value="",0, Fields!Qty_3.Value * Fields!Price_3.Value)

Geting #Error

Please Help.

Thanks ....

I am using below formula in a textbox in RDLC with IIF.

=iif(Fields!Qty_3.Value="",0, 1)

Getting Perfect out put=0

but when i a trying the actual requirment i am getting #Error.

=iif(Fields!Qty_3.Value="",0, Fields!Qty_3.Value * Fields!Price_3.Value)

Geting #Error