ACC: How to Prompt User to Save Changes to Record in a Form (95/97)

MORE INFORMATION

1. Open the sample database Northwind.mdb, and view the Customers form in Design view.
2. On the View menu, click Properties, and then click the Event tab.
3. Set the form's BeforeUpdate property to the following event procedure:
   

         Private Sub Form_BeforeUpdate(Cancel As Integer)
   
            ' This procedure checks to see if the data on the form has
            ' changed. If the data has changed, the procedure prompts the
            ' user to continue the save operation or cancel it. Then the
            ' action that triggered the BeforeUpdate event is completed.
        
            On Error GoTo Err_BeforeUpdate
   
            ' The Dirty property is True if the record has been changed.
            If Me.Dirty Then
               ' Prompt to confirm the save operation.
               If MsgBox("Do you want to save?", vbYesNo + vbQuestion, _
                       "Save Record") = vbNo Then
                  Me.Undo
               End If
            End If
   
         Exit_BeforeUpdate:
            Exit Sub
   
         Err_BeforeUpdate:
            MsgBox Err.Number & " " & Err.Description
            Resume Exit_BeforeUpdate
         End Sub
   						

4. On the Debug menu, click Compile Loaded Modules.
5. Save the Customers form.