private void validerFamille_Click(object sender, EventArgs e) { if (familleRef.Text == "" || familleDesign.Text == "") { MessageBox.Show("Tous les champs sont obligatoires", "champ invalide", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } if (lite.familleExists(familleRef.Text.ToUpper())) { MessageBox.Show("Cette reference existe deja", "reference invalide", MessageBoxButtons.OK, MessageBoxIcon.Warning); return; } lite.createFamille(lite.stripString(familleRef.Text.ToUpper()), lite.stripString(familleDesign.Text.ToUpper())); familleRef.Text = ""; familleDesign.Text = ""; ActiveControl = familleRef; }