public void Save( 
   string fieldIdStr 
)

class OrderField_EditPage : System.Web.UI.Page
{
 
   private void SaveOrderField( OrderField orderField )
   {
       orderField.Name = NameStr.Text;
       orderField.TemplateName = TemplateNameStr.Text;
       if (orderFieldId == "")
       {
           orderField.SystemName = SystemNameStr.Text;
       	   orderField.TypeID = Base.ChkNumber(TypeStr.SelectedValue);
       	   orderField.TypeName = TypeStr.Items(TypeStr.SelectedIndex).Text;
       }
       orderField.Locked = Locked.Checked;

       bool addField = true;
       if (ValidNames(orderField.SystemName))
       {
       	   UpdateOrderTable();

       	   if (addField || orderFieldId != "")
       	       orderField.Save(orderFieldId);

       	   Dynamicweb.eCommerce.Common.Application.KillOrderFields();
       }
   }
}

class MyPage : System.Web.UI.Page
{
   private void DoSave(string fieldIdStr)
   {
       OrderField orderField = default(OrderField);
       orderField = new OrderField();

       orderField.SystemName = Base.ChkString(Request.QueryString["SystemName"]);
       orderField.TypeID = Base.ChkInteger(Request.QueryString["TypeID"]);
       orderField.TypeName = Base.ChkString(Request.QueryString["TypeName"]);
       orderField.Save(fieldIdStr);
   }
}