private void RefreshUserList() { BusinessObjects _businessObjects = new BusinessObjects(); List <UserAccount> users = _businessObjects.GetAllUserAccounts(); lstUsers.Items.Clear(); if (users != null) { foreach (UserAccount user in users) { ListViewItem item = new ListViewItem( new string[] { user.UserName, user.HighestPermission.ToString() } ); this.lstUsers.Items.Add(item); } } }