how to bind my report rdlc?

hi there
i have a problem to bind my report

here you can have a little project example, that better explains my problem
http://www.dotnethell.it/users/files/1903_report.zip
i want just filter the data, but the report seems not filter!!
what is wrong here?

DS.tabella.findbyID(2).table.rows.count
'returns zero rows!

hi there www.suale.net