In my record source for the report i get the runtime error 3075 saying that i have an extra ) in the expression.Could you help me to find it out ?
" WHERE (Month([InvoiceDate])=Forms!Switchboard!Monaten OR Forms!Switchboard!Monaten Is Null) AND (Customers.afid=Forms!Switchboard!Office OR
Forms!Switchboard!Office Is Null) AND ((orders.invoicedate) Between #1/1/2008# And #12/31/2008#))" & _
" ORDER BY [order details].liters DESC;"