Form.BeforeDelConfirm event (Access)
The BeforeDelConfirm event occurs after the user deletes to the buffer one or more records, but before Microsoft Access displays a dialog box asking the user to confirm the deletions.
expression.BeforeDelConfirm (Cancel, Response)
expression A variable that represents a Form object.
|Cancel||Required||Integer||The setting determines if the BeforeDelConfirm event occurs. Setting the Cancel argument to True cancels the BeforeDelConfirm event and prevents the Delete Confirm dialog box from being displayed. If the event is canceled, the original records are restored, but the AfterDelConfirm event still occurs. If Cancel is set to True, the Response argument is ignored. If Cancel is set to False (0), which it is by default, the value in the Response argument is used by Access to determine the type of response to the Delete event.|
|Response||Required||Integer||An intrinsic constant that determines whether Access displays the Delete Confirm dialog box asking if the record should be deleted. acDataErrContinue continues without displaying the Delete Confirm dialog box. Setting the Cancel argument to False and the Response argument to acDataErrContinue enables Microsoft Access to delete records without prompting the user. acDataErrDisplay displays the Delete Confirm dialog box. The default value is acDataErrDisplay.|
To run a macro or event procedure when these events occur, set the BeforeDelConfirm property to the name of the macro or to [Event Procedure].
After a record is deleted, it's stored in a temporary buffer. In an Access database , the BeforeDelConfirm event occurs after the Delete event (or if you've deleted more than one record, after all the records are deleted, with a Delete event occurring for each record), but before the Delete Confirm dialog box is displayed. Canceling the BeforeDelConfirm event restores the record or records from the buffer and prevents the Delete Confirm dialog box from being displayed.
In an Access database, the AfterDelConfirm event occurs after a record or records are actually deleted or after a deletion or deletions are canceled. If the BeforeDelConfirm event isn't canceled, the AfterDelConfirm event occurs after the Delete Confirm dialog box is displayed. The AfterDelConfirm event occurs even if the BeforeDelConfirm event is canceled.
If you cancel the Delete event, the BeforeDelConfirm event does not occur, and the Delete Confirm dialog box isn't displayed.
In an Access project (.adp), the BeforeDelConfirm event occurs before the Delete event. To avoid opening unnecessary transactions on Microsoft SQL Server, Access prompts you to confirm the deletion before opening the transaction. If you confirm the deletion, Access opens a transaction on SQL Server, issues the DELETE statement to delete the record or records, and fires the form's Delete event. If you choose No when prompted to confirm the deletion, Access does not open a transaction on SQL Server to delete the record and does not fire the form's Delete event.
The BeforeDelConfirm event does not occur and the Delete Confirm dialog box isn't displayed if you clear the Record Changescheck box under Confirm on the Editing tab of the Access Options dialog box.
By running a macro or an event procedure when the Delete event occurs, you can prevent a record from being deleted or allow a record to be deleted only under certain conditions. You can also use a Delete event to display a dialog box asking whether the user wants to delete a record before it's deleted.
After you delete the record, the focus moves to the next record following the deleted record, and the Current event for that record occurs, followed by the Enter and GotFocus events for the first control in that record.
The BeforeDelConfirm event then occurs, just before Access displays the Delete Confirm dialog box asking you to confirm the deletion. After you respond to the dialog box by confirming or canceling the deletion, the AfterDelConfirm event occurs.
You can delete one or more records at a time. The Delete event occurs after each record is deleted. This enables you to access the data in each record before it's actually deleted, and selectively confirm or cancel each deletion in the Delete macro or event procedure. When you delete more than one record, the Current event for the record following the last deleted record and the Enter and GotFocus events for the first control in this record don't occur until all the records are deleted. In other words, a Delete event occurs for each selected record, but no other events occur until all the selected records are deleted. The BeforeDelConfirm event does not occur until all the selected records are deleted.
The following example shows how you can use the BeforeDelConfirm event procedure to suppress the Delete Confirm dialog box and display a custom dialog box when a record is deleted. It also shows how you can use the AfterDelConfirm event procedure to display a message indicating whether the deletion progressed in the usual way or whether it was canceled in Visual Basic or by the user.
Private Sub Form_BeforeDelConfirm(Cancel As Integer, _ Response As Integer) ' Suppress default Delete Confirm dialog box. Response = acDataErrContinue ' Display custom dialog box. If MsgBox("Delete this record?", vbOKCancel) = vbCancel Then Cancel = True End If End Sub Private Sub Form_AfterDelConfirm(Status As Integer) Select Case Status Case acDeleteOK MsgBox "Deletion occurred normally." Case acDeleteCancel MsgBox "Programmer canceled the deletion." Case acDeleteUserCancel MsgBox "User canceled the deletion." End Select End Sub
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