public String setDelDate()
   {
	   ProductService service= new ProductService();
	   try
	   {
		   SimpleDateFormat date= new SimpleDateFormat("dd/MM/yyyy");
		   java.util.Date date_temp=date.parse(this.deliveryDate);
		   service.setDeliveryDate(new Date(date_temp.getTime()), receiptId);
		   this.errorMessage="Order Updated successfully";
	   }
	   catch(Exception e)
	   {
		   this.errorMessage="Order Processing Failed  :   " + e.getMessage();
		  e.printStackTrace(); 
	   }
	   return "success";
   }