private void UpdateAuctionsList(DateTime fromDate, DateTime toDate, int site, int statusId, int traderId, string searchText = null)
        {
            AppJournal.Write("Auctions List", "Update get auctions and check new orders from base", true);

            try {
                if (string.IsNullOrEmpty(searchText))
                {
                    AuctionsList = DataBaseClient.ReadAuctions(fromDate.AddDays(-1), toDate, site, statusId, traderId);
                }
                else
                {
                    AuctionsList = DataBaseClient.ReadAuctions(fromDate.AddDays(-1), toDate, site, statusId, traderId, searchText);
                }
            } catch (Exception ex) { AppJournal.Write("Auctions List", "Get auctions list from base error: " + ex.ToString(), true); }

            try {
                NewOrders = DataBaseClient.GetOrders(site, 1);
            } catch (Exception ex) { AppJournal.Write("Orders List", "Get new orders list from error: " + ex.ToString(), true); }

            if (NewOrders.Count > 0)
            {
                NewOrdersVis = System.Windows.Visibility.Visible;
            }
            else
            {
                NewOrdersVis = System.Windows.Visibility.Collapsed;
            }
        }