it's not filtered. that code snip should insert into a different list than the one on the page. it guess it's possible some completely different reason fails the import?

all i know is that on our production server, running 10.1, the above code snip inserts a row if the correct field names are supplied, but does not insert a row when the 'EmployeeId' field is listed as 'Id'. In either event successCallback is called.