## error
You have a nil object when you didn't expect it!
The error occurred while evaluating nil.name

## view
<h1><%= @store.name %></h1>

## edit action
def edit
  @store = Store.find(params[:store_id])
  @store_daily_financial = StoreDailyFinancial.find(params[:id])
end

## update action
def update
  @store_daily_financial = StoreDailyFinancial.find(params[:id])
  respond_to do |format|
      flash[:notice] = 'Updated'
      format.html { redirect_to(:controller => "home", :action => "admin") }
    else
      format.html {render :action => "edit"}
    end
  end
end