Code:
Private Sub Check253_AfterUpdate()
Me.Text255 = Environ("UserName")
If Me.Check253 = -1 Then
Me.Text254 = DLookup("[Lot]", "[tblAutoGen]", "[Inuse] = -1")
Me.Text256 = DLookup("[Exp]", "[tblAutoGen]", "[Inuse] = -1")
Me.Text258 = DLookup("[Lot]", "[tblEthanol]", "[Inuse] = -1")
Me.Text260 = DLookup("[Exp]", "[tblEthanol]", "[Inuse] = -1")
Me.Text262 = DLookup("[Lot]", "[tblDPBS]", "[Inuse] = -1")
Me.Text264 = DLookup("[Exp]", "[tblDPBS]", "[Inuse] = -1")
Me.Text266 = DLookup("[Lot]", "[tblTE]", "[Inuse] = -1")
Me.Text268 = DLookup("[Exp]", "[tblTE]", "[Inuse] = -1")
Me.Text259.Value = Date
End If
End Sub