示例#1
0
        /// <summary>
        /// 产生一个全局唯一标识符
        /// </summary>
        /// <returns>返回全局唯一标识符</returns>
        public static Guid    NewGuid(DataAccessType pdbtype)
        {
            switch (pdbtype)
            {
            case DataAccessType.SqlClient:
                return(SqlQueryDAO.NewGuid());

            case DataAccessType.OLEDB:
                return(OleDbQueryDAO.NewGuid());

            case DataAccessType.ODPNet:
                return(OdpQueryDAO.NewGuid());

            default:
                throw(new Exception("此种访问方式没有定义!"));
            }
        }