protected void updateMarkerOnMap()
        {
            /* Установка меток на карте */
            int countOfCouriers = Convert.ToInt32(DBHelper.Query("SELECT count(*) FROM CurrentCoordinatesOfCourier")[0]);

            // Если в таблице имеются записи с координатами курьеров
            if (countOfCouriers != 0)
            {
                double[]      convertedLatitude  = new double[countOfCouriers];
                double[]      convertedLongitude = new double[countOfCouriers];
                double[]      convertedSpeed     = new double[countOfCouriers];
                GMarker[]     markers            = new GMarker[countOfCouriers];
                GInfoWindow[] windows            = new GInfoWindow[countOfCouriers];

                string[] courierCode = DBHelper.Query("SELECT [Courier Code] FROM CurrentCoordinatesOfCourier").ToArray();
                string[] latitude    = DBHelper.Query("SELECT [Latitude] FROM CurrentCoordinatesOfCourier").ToArray();
                string[] longitude   = DBHelper.Query("SELECT [Longitude] FROM CurrentCoordinatesOfCourier").ToArray();
                string[] speed       = DBHelper.Query("SELECT [Speed] FROM CurrentCoordinatesOfCourier").ToArray();

                for (int i = 0; i < countOfCouriers; i++)
                {
                    // Преобразование в double с заменой символа запятой на точку
                    convertedLatitude[i]  = Convert.ToDouble(latitude[i]);
                    convertedLongitude[i] = Convert.ToDouble(longitude[i]);
                    convertedSpeed[i]     = Convert.ToDouble(speed[i]);

                    // Заказы курьера
                    string[] courierOrders = DBHelper.Query("SELECT [Order Code], [Status] FROM [Order]" +
                                                            "WHERE[Courier Code] = '" + courierCode[i] + "'").ToArray();

                    markers[i] = new GMarker(new GLatLng(convertedLatitude[i], convertedLongitude[i]));
                    windows[i] = new GInfoWindow(markers[i], GetGInfoWindowString(courierCode[i], courierOrders, speed[i]), true);
                    MainGMap.Add(windows[i]);
                }
            }
        }
 protected void initMap()
 {
     /* Настройка карты */
     MainGMap.Add(new GControl(GControl.preBuilt.LargeMapControl));
     MainGMap.setCenter(new GLatLng(53.901547, 27.553763), 12, GMapType.GTypes.Normal);
 }