class Admin::StaffMembersController < Admin::Base
  def index
    @staff_members = StaffMember.order(:family_name_kana, :given_name_kana)
  end

  def show
    staff_member = StaffMember.find(paramas[:id])
    redirect_to [ :edit, :admin, staff_member ]
  end
end

class Admin::StaffMembersController < Admin::Base
  def index
    @staff_members = StaffMember.order(:family_name_kana, :given_name_kana)
  end

  def show
    staff_member = StaffMember.find(paramas[:id])
    redirect_to [ :edit, :admin, staff_member ]
  end

  def new
    @staff_member = StaffMember.new
  end
end

Add new method in admin/staffmembers
Add new method in admin/staffmembers
