Prova così:
codice:
<%
Set Conn=Server.CreateObject("ADODB.Connection")
Conn.Open "driver={Microsoft Access Driver (*.mdb)};dbq=" & server.mappath("/mdb-database/db.mdb")
Set Rs=Server.CreateObject("ADODB.RecordSet")
if (Request("Nome") = "" AND Request("Genere") = "" AND Request("Componenti") = "" AND Request("Citta") = "" AND Request("Provincia") = "" AND Request("Regione")) = "" then
Sql = "Select TOP 20 ID,Nome,Genere,Citta,Provincia From Gruppi Order by ID Desc"
else
Sql = "Select ID,Nome,Genere,Citta,Provincia From Gruppi Where "& Request("campo") & " = " & Request("ricerca") & " Order by Nome Asc
end if
Rs.Open Sql, Conn, 2,2
While Not Rs.EOF
...
%>