[SerializableAttribute()] 
public class FieldType 

class MyPage : System.Web.UI.Page
{
   public void RenderOrderFieldValues(Dynamicweb.eCommerce.Orders.Order Order, ref Dynamicweb.Rendering.Template Template)
   {
       FieldTypeCollection fieldTypes = FieldType.getFieldTypes();
       foreach (Dynamicweb.eCommerce.Orders.OrderFieldValue ofv in Order.OrderFieldValues)
       {
           string outputClean = Base.ChkString(ofv.Value);
           string output = "";

           FieldType ft = fieldTypes.GetFieldType(ofv.OrderField.TypeID);

           switch (ft.DWName.ToLower())
           {
               case "text":
               case "integer":
               case "double":
                   //TODO: insert your code here
                   break;
               case "largetext":
                   //TODO: insert your code here
                   break;
               case "checkbox":
                   //TODO: insert your code here
                   break;
               case "date":
               case "datetime":
                   //TODO: insert your code here
                   break;
               case "link":
                   //TODO: insert your code here
                   break;
               case "filemanager":
                   //TODO: insert your code here
                   break;
               default:
                   break;
           }
           Template.SetTag(ofv.OrderField.TemplateName, output);
           Template.SetTag(ofv.OrderField.TemplateName + ".Clean", outputClean);
           Template.SetTag(ofv.OrderField.SystemName + ".Name", ofv.OrderField.Name);
       }
   }
}