<%= form_tag fcrepo_admin.object_datastream_path(@datastream.pid, @datastream.dsid), :method => :put, :multipart => true do %>

<%= file_field_tag "file" %>

<%= submit_tag t("fcrepo_admin.datastream.upload.submit"), :confirm => t("fcrepo_admin.datastream.upload.confirm"), :class => "btn btn-primary" %>

<% end %>