protected void BindDataInvoices()
        {
            try
            {
                IEnumerable <InvoiceDTO> invoices = new List <InvoiceDTO>();
                invoices = IBL.FindInvoices(emailCustomer);
                AccountDTO customer = new AccountDTO();
                customer = BL.GetCustomer(emailCustomer);
                ShoppingTable.DataSource = GetDataTable(invoices);
                ShoppingTable.DataBind();

                if (invoices.Count() > 0)
                {
                    tableShoppingHistoryLabel.Text = $"The transactionlist of {customer.GetFirstName()} " +
                                                     $"{customer.GetLastName()} has {invoices.Count()} items.";
                }
                else
                {
                    tableShoppingHistoryLabel.Text = "The transactionlist is empty.";
                }
            }
            catch (Exception e)
            {
                e.GetBaseException();
            }
        }