string constr = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + Server.MapPath("~/App_Data/AskToDoctor.mdb");
            OleDbConnection conn = new OleDbConnection(constr);
            conn.Open();            string sql = "Select top 1 * from Question";
            OleDbDataAdapter ada = new OleDbDataAdapter(sql, conn);
            DataSet ds = new DataSet();
            ada.Fill(ds, "Question");
            //以上数据库已连接成功数据库为Question
需读取的字段为QTitle
注:asp.net(C#)