dataGridView1.DataSource = bindingSource_log;

                   bindingSource_log.DataMember = "dir_ctrl";

                   //SELECT id, op, [date], [user] FROM dir_ctrl

                   OleDbDataAdapter dir = new OleDbDataAdapter(new OleDbCommand("select * from dir_ctrl", oleDbConn));

                   dir.Fill(data_infoDataSet_log.dir_ctrl);

                   get_datagridview_by_name("id").Visible = false;

                   get_datagridview_by_name("op").AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;

                    get_datagridview_by_name("op").HeaderText= "操作";

                   get_datagridview_by_name("date").HeaderText = "时间";

                   get_datagridview_by_name("user").HeaderText = "用户";