private void cmdListToDelete_Click(object sender, EventArgs e) { DatabaseManagement database = new DatabaseManagement(); database.OpenConnection(); database.DeleteUserList(((UsersList)cboList.SelectedItem).Name, ((User)lstList.SelectedItem).Iban); userInfo = (EnterpriseUser)database.GetUser(userInfo.Email); database.CloseConnection(); int selectedList = cboList.SelectedIndex; displayEnterpriseLists(); cboList.SelectedIndex = selectedList; displayUsersLists(); cmdListToDelete.Enabled = false; }