protected void lbUpdateSelected_Click(object sender, EventArgs e)
        {
            SaveLastViewedPrices();

            ProductService.UpdateProductPriceOverviewModels(ChosenPrices);
            enbNotice.Message = "Prices were updated successfully";
            ChosenPrices.Clear();
            NotChosenPrices.Clear();
            LoadPrices();
        }
        private void SetChosenPrices(ProductPriceOverviewModel price, bool chosen)
        {
            if (price != null)
            {
                if (chosen)
                {
                    if (ExistInChosenPrices(price))
                    {
                        ChosenPrices.RemoveAll(delegate(ProductPriceOverviewModel arg)
                        {
                            return(arg.Id == price.Id);
                        });
                    }

                    ChosenPrices.Add(price);
                    NotChosenPrices.RemoveAll(delegate(ProductPriceOverviewModel arg)
                    {
                        return(arg.Id == price.Id);
                    });
                }
                else
                {
                    ChosenPrices.RemoveAll(delegate(ProductPriceOverviewModel arg)
                    {
                        return(arg.Id == price.Id);
                    });

                    if (ExistInNotChosenPrices(price))
                    {
                        NotChosenPrices.RemoveAll(delegate(ProductPriceOverviewModel arg)
                        {
                            return(arg.Id == price.Id);
                        });
                    }

                    NotChosenPrices.Add(price);
                }
            }
        }