/// <summary>
        /// 获取关联产品
        /// </summary>
        /// <param name="connection"></param>
        /// <param name="oid"></param>
        /// <returns></returns>
        public IEnumerable <OperationCategoryProductsModel> SelectOperationCategoryProducts(int oid)
        {
            Func <SqlConnection, IEnumerable <OperationCategoryProductsModel> > action = (connection) => OperationCategoryDAL.SelectOperationCategoryProducts(connection, oid);

            return(dbManager.Execute(action));
        }