在VB中，常用的recordset对象方法有：
recordset.Open "SELECT * FROM table_name", connection
recordset.Close
recordset.MoveFirst
recordset.MoveLast
recordset.MoveNext
recordset.MovePrevious
recordset.Find "field_name = 'value'"
recordset.AddNew
recordset.Update
recordset.Delete
strData = recordset.GetString
arrData = recordset.GetRows
