Private Sub CommandButton1_Click()
Dim ss As Integer
Dim ShtName$
ShtName = Me.Label4.Tag 'on récuoére le Nom de la feuille
With Sheets(ShtName)
DerLgn = .Cells(.Rows.Count, 2).End(xlUp).Row + 1
.Cells(DerLgn, 2).Value = IIf(Cells(4, 2) = Me.TextBox1, Me.TextBox2.Value, "")
DerLgn = .Cells(.Rows.Count, 3).End(xlUp).Row + 1
.Cells(DerLgn, 3).Value = IIf(Cells(4, 3) = Me.TextBox1, Me.TextBox2.Value, "")
DerLgn = .Cells(.Rows.Count, 4).End(xlUp).Row + 1
.Cells(DerLgn, 4).Value = IIf(Cells(4, 4) = Me.TextBox1, Me.TextBox2.Value, "")
End With
End Sub