private async void PostSales() { List <Sale> sales = await SaleSaveInfo.GetSaleList(); var arLiveApi = new HttpClientWebApi(); foreach (Sale sale in sales) { sale.Id = Guid.NewGuid().ToString(); await arLiveApi.PostSaleInvoice(sale); } SaleSaveInfo.ResetSavedSales(); //pendingInvoiceCount.Text = "Pending Invoices: " + 0; }