I'm trying to find out why this is wrong, while in the queries generator it works properly.
SELECT Count(Audi.Id) AS CuentaDeId FROM Audi WHERE (((Len." & filtro & ") Between #" & Format(Me!fechamin, "mm/dd/yyyy") & "# And #" & Format(Me!fechamax, "mm/dd/yyyy") & "#))
With some dates slightly...