[ConfigOP.CfgAttribute.CfgEntity (Name="DBInfo", Description="这是一个测试")]
    class CfgEntity_DbInfo
    {
        public string DataSource {get; set;}
        public string InitialCatalog { get; set; }
        public string User { get; set; }
        public string Pwd { get; set; }
        public int ID { get; set; }
        public int ADDItem { get; set; }

        public CfgEntity_DbInfo()
        {
            DataSource = "222.222.222.222";
            InitialCatalog = "i dont know";
            User = "aa";
            Pwd = "123";
            ID = 987654;
            ADDItem = 1;
        }
    }

CfgEntity_DbInfo et = new CfgEntity_DbInfo();
ConfigOP.ConfigOP cfg = new ConfigOP.ConfigOP();
cfg.IniConfig(et);