I have a Data Band where I selected Arkusz1 at the Data Source (Page Raport - Strona trzecia)

i'm using a report designed by InsERT Company and I would like to connect data from a business objects to a new data source - excel. I'm trying to do it by using a filtr on databnd. i select "Expression" and enter "Dokument.Pozycje.AsortymentWybrany.Symbol == Arkusz1.Symbol" (Dok...