/// <summary>
        /// Gets a list of product season priorities which are currently in use for this product
        /// </summary>
        /// <value>The used priorities.</value>
        public IList UsedSeasonPriorities
        {
            get
            {
                ArrayList results = new ArrayList();

                //Sadly. Hibernate doesn't support doing this distinct stuff. We're doing it oldskool.
                string sqlTemplate = "select distinct priority from ProductSeason where ProductID = <%ProductId%>";
                //Still using hibernate to manage the connection though
                ISession session = DL.SessionFactory.OpenSession();
                using (session)
                {
                    //Get underlying raw connection
                    IDbConnection connection = session.Connection;
                    
                    IDbCommand command = connection.CreateCommand();
                    //Unique season priorities for this product.
                    sqlTemplate = sqlTemplate.Replace("<%ProductId%>", this.ProductId.ToString());

                    command.CommandText = sqlTemplate;

                    IDataReader reader = command.ExecuteReader();
                    
                    while (reader.Read())
                    {
                        //One field, priority, which is a byte, first column.
                        results.Add(reader.GetByte(0));
                    }

                }
                return results;
            }
        }