async void getRooms()
        {
            int id = getHouseId(LabelHouse.Text);

            if (id != -1)
            {
                ItemsList <R731PremiseWithAccounts> itemsList = await _server.GetHouseData(id.ToString());

                if (itemsList.Error == null)
                {
                    LabelHouseLs.Text       = AppResources.LsChoose;
                    FrameBtnAdd.IsVisible   = false;
                    StackLayoutLs.IsVisible = false;
                    string[] paramsi = getLsRoom(itemsList.Data);
                    var      action  = await DisplayActionSheet("Выбор помещения", AppResources.Cancel, null, paramsi);

                    if (action != null && !action.Equals(AppResources.Cancel))
                    {
                        LabelHouseRoom.Text     = action;
                        StackLayoutLs.IsVisible = true;
                    }
                }
                else
                {
                    await DisplayAlert(AppResources.ErrorTitle, groups.Error, "OK");
                }
            }
        }