private void cmdAddList_Click(object sender, EventArgs e) { DatabaseManagement database = new DatabaseManagement(); database.OpenConnection(); try { database.CreateList(txtNameList.Text.Trim(), userInfo.Iban); userInfo = (EnterpriseUser)database.GetUser(userInfo.Email); database.CloseConnection(); } catch (ListAlreadyExistsException) { MessageBox.Show("Ce nom de liste existe déjà"); } displayEnterpriseLists(); lstList.Items.Clear(); txtNameList.Text = ""; }