This should go in the worksheet change event, something like,

Private Sub Worksheet_Change(ByVal Target As Range)

On Error GoTo ws_exit:
Application.EnableEvents = False
If Not Intersect(Target, Me.Range("A1:H10")) Is Nothing Then
With Target
'do something
End With
End If

ws_exit:
Application.EnableEvents = True
End Sub

'This is worksheet event code, which means that it needs to be
'placed in the appropriate worksheet code module, not a standard
'code module. To do this, right-click on the sheet tab, select
'the View Code option from the menu, and paste the code in.

--

HTH

RP

wrote in message
...
hello;
I have code to bring up a message AFTER a user has entered
in data to a specific cell.

i don't know how to make the code ONLY come after the user
enters the data. right now i have it in Workbook_Open so
it just occurs right when u open the workbook. how do i do
this?!!