private OleDbConnection con; // #endregion Fields #region Constructors /// <summary> /// ��̬���캯�� /// </summary> static RabbitADO() { instance=new RabbitADO(); }
static RabbitADO instance; //共享的实例 /// <summary> /// 静态构造函数 /// </summary> static RabbitADO() { instance = new RabbitADO(); }