gistfile1.rb

# POST /jobs
  # POST /jobs.xml
  def create
    #ADD THIS LINE
    @catergory= Catergory.find(params[: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 = Catergory.jobs.build(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