Asp.Net 通用数据操作类 (附通用数据基类)第1/2页

        private System.Data.SqlClient.SqlCommand com;

        #region 构造与柝构
        public DBBase()
        {
            try
            {
                conn=new System.Data.SqlClient.SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
                conn.Open();
                com = new System.Data.SqlClient.SqlCommand();
                com.Connection = conn;
            }
            catch (Exception ee)
            {
                throw new Exception("连接数据库出错");
            }
        }
        ~DBBase()
        {
            Dispose();
        }
        protected virtual void Dispose(bool isDisposing)
        {
            if (_alreadyDispose) return;
            if (isDisposing)
            {
                // TODO: 此处释放受控资源 
                if (com != null)
                {
                    com.Cancel();
                    com.Dispose();
                }