add two select box

app/controllers/batches_controller.rb

@@ -21,6 +21,8 @@ class BatchesController < ApplicationController
 
     def new
       @batch = Batch.new
+      @clients=Client.all.order('id desc')    
+      @product=ProductCategory.all.order('id desc')
     end
 
     def edit
@@ -30,12 +32,10 @@ class BatchesController < ApplicationController
     def create
       date = DateTime.now.beginning_of_day.utc.to_time.strftime("%Y-%m-%d") 
       order_ref = params[:batch][:order_ref]   
-      puts order_ref
       adult_or_child=params[:adult_or_child]
       client_id=params[:client_id]
       product_category_id=params[:product_category_id]
       @batch = Batch.create_batch(date,order_ref,2,"adult_or_child",6,3)
-      puts @batch.order_ref
 
       respond_to do |format|
         if @batch.save

app/views/batches/_form.html.erb

@@ -16,7 +16,15 @@
              <label for="name" class="string optional control-label">Name:</label>
              <%= f.input :order_ref ,:label =>false,:error => false,:placeholder =>'Please enter  name',input_html: { class: "form-control" } %>
              <%= f.error :order_ref ,style: 'color: red' %> 
-          </div>                                                 
+          </div>  
+          <div class="form-group">
+            <label for="client" class="string optional control-label">Select Client:</label>
+            <%= select_tag "client", options_from_collection_for_select(@clients, "id", "name"), :class => 'form-control'%>           
+          </div>
+          <div class="form-group">
+            <label for="product" class="string optional control-label">Select Product:</label>
+            <%= select_tag "product", options_from_collection_for_select(@product, "id", "name"), :class => 'form-control'%>  
+          </div>                                               
           <div class ="form-group" >
              <label></label>
               <div class="actions">