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ADO WillChangeField and FieldChangeComplete Events


Recordset Object Reference Complete Recordset Object Reference

The WillChangeField Event

The WillChangeField event is triggered before the values of one or more Field Objects are changing.

Note: Before this event returns, set the status parameter to adStatusCancel to cancel the operation that caused this event. 

The FieldChangeComplete Event

The FieldChangeComplete event is triggered after the values of one or more Field Objects have been changed.

Note: Before this event returns, set the status parameter to adStatusUnwantedEvent to prevent subsequent notifications. 

Note: The WillChangeField event and the FieldChangeComplete event may occur when you set the Value property and calls the Update method with field and value array parameters.

Syntax

WillChangeField numfields,fields,status,objRs

FieldChangeComplete numfields,fields,objErr,status,objRs 

Parameter Description
numfields The number of Field objects in fields
fields An array that contains Field objects with changes
status An EventStatusEnum value that indicates the status of the execution of the event
objErr The name of an Error object that describes the error if status is set to adStatusErrorsOccurred, otherwise it is not set
objRs The name of the Recordset Object that triggered this event


EventStatusEnum Values

Constant Value Description
adStatusOK 1 The operation that caused the event was successful
adStatusErrorsOccurred 2 The operation that caused the event failed
adStatusCantDeny 3 The operation that caused the event cannot be cancelled
adStatusCancel 4 The operation that caused the event is cancelled
adStatusUnwantedEvent 5 Prevents subsequent notifications before the event method has finished executing


Recordset Object Reference Complete Recordset Object Reference

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