restore differential backup *

[umeshpotdar]

hi frdz
how can i restore differential backup files by the query
or any other way to do this. i am using sql server 2005

i tried to do this using foll query

RESTORE DATABASE Uploading
FROM DISK = 'd:\Uploads\Uploading2.bak'
with file=2,
REPLACE;

but i get foll. error

Msg 3117, Level 16, State 4, Line 2
The log or differential backup cannot be restored because no files are ready to rollforward.
Msg 3013, Level 16, State 1, Line 2
RESTORE DATABASE is terminating abnormally.


plz tell me.