gistfile1.rb

class Job < ActiveRecord::Base
  belongs_to :catergory

  # UPLOAD a file for the logo
   def upload
     uploaded_io = params[:job][:logo]
       File.open(Rails.root.join('public', 'images', uploaded_io.original_filename), 'w') do |file|
         file.write(uploaded_io.read)
       end
   end
end



CONTROLLER JOBS

# GET /jobs/new
  # GET /jobs/new.xml
  def new
    @job = Job.new
    @cat = Catergory.find(:all)

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @job }
    end
  end

  # GET /jobs/1/edit
  def edit
    @job = Job.find(params[:id])
    @cat = Catergory.find(params[:id])
  end

  # POST /jobs
  # POST /jobs.xml
  def create
    #ADD THIS LINE
    # Do you need this?
    @catergory= Catergory.find(params[:job][:catergory_id])#This is the new line added
    #It stores the value retrieved from the select box which displays the available categories to be added
    #END ADD
    
    @job = Job.create(params[:job])

    respond_to do |format|
      if @job.save
        format.html { redirect_to(@job, :notice => 'Job was successfully created.') }
        format.xml  { render :xml => @job, :status => :created, :location => @job }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @job.errors, :status => :unprocessable_entity }
      end
    end
  end