dataGridView控制显示
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";