[SerializableAttribute()] 
public class OrderState 

class MyPage : System.Web.UI.Page
{
 
   private void BuildOrderStateList()
   {
       //Set Order states
       OrderStateCollection orderStates = Dynamicweb.eCommerce.Common.Application.OrderStates;
       OrderStateList.Items.Clear();

       foreach( OrderState orderState in orderStates )
       {
           //Add to context menu
           ContextMenuButton contextOrderState = new ContextMenuButton();
           contextOrderState.Image = Icons.Icon.Type.Check;
           contextOrderState.OnClientClick = String.Format("setOrderState('{0}');", orderState.ID);
           contextOrderState.Text = orderState.Name;
           contextOrderState.DoTranslate = ContextMenuButton.TranslateStates.False;
           ContextSetOrderState.ChildItems.Add(contextOrderState);

           //Add to dropdown in ribbon
           OrderStateList.Items.Add(New ListItem(orderState.Name, orderState.ID));
       }
 
       OrderStateListView.Visible = true;
       }
   }
}