protected override void OnInitializeInRuntime()
{
base.OnInitializeInRuntime();
var unitOfWork = UnitOfWorkFactory.CreateUnitOfWork();
Sales = QueriesHelper.GetSales(unitOfWork.OrderItems);
SelectedSale = Sales[0];
AverageOrders = QueriesHelper.GetAverageOrders(unitOfWork.Orders.ActualOrders(), NumberOfAverageOrders);
}