'bouton enlever Dim mntHT As Double = CDbl(MHT.Text) Dim mntva As Double = CDbl(MTVA.Text) If DataGridView1.SelectedRows.Count = 0 Then MsgBox("selectionner d'abord une ligne_de_commande") Else mntHT = mntHT - DataGridView1.CurrentRow.Cells(4).Value 'row.Cells(4).Value '4=colonne (montantHT) mntva = mntva - (CDbl(DataGridView1.CurrentRow.Cells(5).Value) * (CDbl(DataGridView1.CurrentRow.Cells(4).Value) / 100)) 4=colonne (montantTVA) MsgBox(mntHT) MHT.Text = mntHT MTVA.Text = mntva MTTC.Text = mntHT + mntva DataGridView1.Rows.Remove(DataGridView1.CurrentRow)