Private Sub Worksheet_SelectionChange(ByVal Target As Range)
Dim DerLig As Long
DerLig = Worksheets("Feuil1").Range("A" & Rows.Count).End(xlUp).Row
For i = 1 To DerLig
With Sheets("Feuil1")
.Range("B" & i).Value = WorksheetFunction.VLookup(.Range("A" & i).Value, Sheets("Feuil2").Range("A1:C100"), 2, False)
.Range("C" & i).Value = WorksheetFunction.VLookup(.Range("A" & i).Value, Sheets("Feuil2").Range("A1:C100"), 3, False)
End With
Next i
End Sub