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 = "";
        }