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ADO WillConnect, ConnectComplete, and Disconnect Events

Complete Connection Object Reference

An event is a subroutine that can be called automatically after a specific operation has occurred.

The WillConnect event can be fired before a connection starts.
The ConnectComplete event can be fired after a connection starts.
The Disconnect event can be fired after a connection ends.

Syntax

WillConnect ConnectionString,userid,psword,options,status,objcon

ConnectComplete objerror,status,objconn

Disconnect status,objconn

Parameter	Description
ConnectionString	A string that contains the information required for the connection
userid	A string that contains the user name for the connection
psword	A string that contains the password for the connection
options	A long value that specifies how the provider should evaluate the ConnectionString. Can only be set to adAsyncOpen
objerror	An Error object that contains the errors that occurred Note: The EventStatusEnum value must be set to adStatusErrorsOccurred to create the Error object
status	An EventStatusEnum value. Default is adStatusOK However, when the ConnectComplete event is called, this parameter is set to adStatusCancel IF a WillConnect event calls for cancelling of the pending connection
objconn	The Connection object that fired the event

EventStatusEnum Values

Constant	Value	Description
adStatusOK	1	The operation that fired the event was successful
adStatusErrorsOccurred	2	The operation that fired the event failed
adStatusCantDeny	3	Cannot cancel the pending operation
adStatusCancel	4	Cancels the operation that fired the event
adStatusUnwantedEvent	5	Prevents subsequent notifications before the event method has finished executing