Summing up in a report
I have a report called invoice but i cannot sum up the extended price of the products and i would like to ask for a help.My report is called invoice, and in the undrelying query i have a field
called ExtendedPrice with the following expression:
and i works fine. The control in the report that has a record source Extended price is called Subtotal.It is placed in the Detail Section.In the section OrderIdFooter,of the report, where i am supposed to sum
the results,i have a control named InvoiceSubtotal.In the control source of the control named InvoiceSubtotal i have written the following
= Sum( [ subtotal] )
but i receive the following error:"Enter parameter value"