File upload problem


          I want to upload a file using rails.i am using

file_field and unable to access the input from form(rails view) in
controller, i.e. in parameters it is not sending the file_field input
and it is sending if there are any other type of inputs,except

         Can anybody tellme, What datatype exactly file_field

takes and how to upload a file using rails?

        Thanks in advance.


did you set :multipart => true ?