TextBoxMois.Value = SpinButton1.Value
Sheets("Prélèvements").Visible = True
Sheets("Prélèvements").Activate
Range([T2], [T65536].End(xlUp)).Select
For Each Cell In Selection
Cell.Value = Format(Mid(Cell.Value, 1, 20) & SpinButton1.Value & Mid(Cell.Value, 6, 5), "MM/DD/YYYY")
Next Cell