コード例 #1
0
        private async void Load_Invoices()
        {
            try
            {
                FirebaseResponse resp = await client.GetTaskAsync("invoices/");

                Dictionary <string, Invoices_class> dict = resp.ResultAs <Dictionary <string, Invoices_class> >();

                //Adding invoice keys to Array salesKeys
                foreach (KeyValuePair <string, Invoices_class> ele1 in dict)
                {
                    salesKeys.Add(ele1.Key);
                }

                //traversing list keys to fetch invoice details
                for (int i = 0; i < salesKeys.Count; i++)
                {
                    FirebaseResponse resp2 = await client.GetTaskAsync("invoices/" + salesKeys[i]);

                    Invoices_class invoice = resp2.ResultAs <Invoices_class>();
                    salesList.Add(invoice);
                }
            }
            catch (Exception)
            {
                MessageBox.Show("Error connecting to the database. Check your internet connection and restart the application.");
            }
        }
コード例 #2
0
        private async void updateInvoice()
        {
            try
            {
                FirebaseResponse resp = await client.GetTaskAsync("invoices/");

                Dictionary <string, Products_class> dict = resp.ResultAs <Dictionary <string, Products_class> >();


                //Adding product keys to Array Keys
                foreach (KeyValuePair <string, Products_class> ele1 in dict)
                {
                    keys.Add(ele1.Key);
                }

                //traversing list keys to fetch product details
                for (int i = 0; i < keys.Count; i++)
                {
                    FirebaseResponse resp2 = await client.GetTaskAsync("invoices/" + keys[i]);

                    Invoices_class invoice = resp2.ResultAs <Invoices_class>();

                    invoicesList.Add(invoice);


                    //Adding firebase data to the data grid
                    DataRow row = dt.NewRow();
                    row["Invoice #"]  = invoicesList[i].invoiceNo;
                    row["Cashier"]    = invoicesList[i].cashier;
                    row["TimeStamp"]  = invoicesList[i].timestamp;
                    row["Total Bill"] = invoicesList[i].totalBill;

                    dt.Rows.Add(row);
                    //   Console.WriteLine("Row added");
                }
            }
            catch (Exception)
            {
                MessageBox.Show("Connectivity Error.\nCheck your INTERNET and try again.");
            }
        }
コード例 #3
0
        private async void createInvoice_btn_Click(object sender, EventArgs e)
        {
            Invoices_class invoice = new Invoices_class
            {
                cashier     = cashier_editText.Text,
                timestamp   = invoiceDate_editText.Text,
                invoiceNo   = invoiceNo_editText.Text,
                totalBill   = totalBill_label.Text,
                productList = selectedProductList
            };

            PushResponse response = await client.PushTaskAsync("invoices", invoice);

            for (int i = 0; i < selectedKeys.Count; i++)
            {
                int finalQuantity = Int32.Parse(selectedQuantity[i]) - Int32.Parse(selectedProductList[i].quantity);
                selectedProductList[i].quantity = "" + finalQuantity;
                FirebaseResponse response2 = await client.UpdateTaskAsync("products/" + keys[i], selectedProductList[i]);
            }

            MessageBox.Show("Invoice Added Successfully!");
            this.Hide();
        }