ADO object model summary

zhaozj2021-02-17  58

ADO object model summary

ADO object summary

Object Description Connection Enables data exchange. Command reflects the SQL statement. Parameter reflects the SQL statement parameters. Recordset enables data positioning and operation. Field reflects the RECORDSET object column. Error reflects the connection error. Property reflects the ADO object characteristics.

ADO collection summary

Collection Description Erroors All Error objects created in response to a single connection error. Parameters all Parameter objects associated with the Command object. Fields all the Field objects associated with the Recordset object. Properties all Property objects associated with Connection, Command, RecordSet, or Field objects.

ADO event handler summary

ConnectionEvents Description BegintransComplete, CommitTransComplete, RollbackTransComplete Transaction Management - The current transaction in the notification connection has started, submitted or returned. WillConnect, ConnectComplete, Disconnect Connection Management - Notification The current connection will begin, have started or end. Willexecute, executeComplete command Performs the Administration - Notification Connections The current commands in the connection will begin or have ended. InfMessage Information - Notifications to obtain additional information related to the current operation.

RecordsetEvents Description FetchProgress, FetchComplete Retrieve Status - Notification Data Retrieval Operation Process or Retrieval Operation has been completed. WillChangefield, FieldChangeComplete field Change Management - Notes the value of the current field will change or change. WillMove, MoveComplete, EndOfRecordSet Location Management - Notifications The location of the current row in the Recordset will change, change or arrive at the end of Recordset. WillChangeRecord, RecordChangeComplete Row Change Management - Notifications About some of the contents in the Recordset current row will be changed or changed. WillChangeRecordset, RecordSetChangeComplete Record Change Management - Notifications Certain contents in RecordSet will be changed or changed.

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