private async Task V2LE_RefreshListEntryEditor()
        {
            int lb5_index = listBox5.SelectedIndex;
            int lb3_index = listBox3.SelectedIndex;

            ResetListEntryEditor();

            if (lb3_index > -1 && V2LE_UsersInCurrentList != null && V2LE_UsersInCurrentList.Count() > 0)
            {
                UInt64 selected_list_id = V2LE_ViewingLists.ElementAt(lb5_index).Key;
                UInt64 selected_user_id = V2LE_UsersInCurrentList.ElementAt(lb3_index).Key;

                List <Object> list_row = await DatabaseUtilities.GetV2ListEntry(selected_list_id, selected_user_id);

                if (list_row == null)
                {
                    return;
                }

                string tb6_text = "";

                if (ListEntryUtilities.TryParseV2EntryDays((string)list_row[0]))
                {
                    tb6_text = ListEntryUtilities.ConvertBoolToDOWString(ListEntryUtilities.ConvertDOWStringToBools((string)list_row[0]));
                }
                else
                {
                    tb6_text = "Sunday - Saturday";
                }

                Invoke((MethodInvoker)(() =>
                {
                    textBox5.Text = selected_user_id.ToString();
                    textBox5.Enabled = true;

                    checkBox2.Checked = (byte)list_row[2] == 0 ? false : true;
                    checkBox2.Enabled = true;

                    textBox6.Text = tb6_text;

                    textBox6.Enabled = true;
                    checkedListBox1.Enabled = true;

                    textBox7.Text = ListEntryUtilities.TryParseV2EntryTime((string)list_row[1]) ? (string)list_row[1] : "00:00 - 23:59";

                    textBox7.Enabled = true;
                    dateTimePicker1.Enabled = true;
                    dateTimePicker2.Enabled = true;

                    Refresh();
                }));
            }
        }
        //to be called from a non ui thread
        private async Task V2LE_UA_ListUsers_Refresh(ulong selected_list, string list_user_filter)
        {
            if (selected_list != 0)
            {
                //use all lists in the search
                var sqlconn = await ARDBConnectionManager.default_manager.CheckOut();

                V2LE_UsersInCurrentList = await DatabaseUtilities.GetDictionaryDescriptionForAllUsersInListWithLimiter(sqlconn.Connection, selected_list, list_user_filter);

                ARDBConnectionManager.default_manager.CheckIn(sqlconn);

                //V2LE_UsersInCurrentList = (Dictionary<ulong, string>)V2LE_UsersInCurrentList.OrderBy(x => x.Value);

                lock (ui_access_lock)
                    Invoke((MethodInvoker)(() =>
                    {
                        if (V2LE_UsersInCurrentList == null || V2LE_UsersInCurrentList.Count() == 0)
                        {
                            listBox3.DataSource = null;
                            listBox3.Enabled = false;
                            textBox2.BackColor = Color.LightGray;
                        }
                        else
                        {
                            listBox3.DataSource = V2LE_UsersInCurrentList.Values.ToList();
                            listBox3.Enabled = true;
                            textBox2.BackColor = SystemColors.Window;
                        }

                        textBox2.Enabled = true;
                        button12.Enabled = true;

                        Refresh();
                    }));
            }
        }