示例#1
0
        /// <summary>
        /// Adds an Item to the invoice
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void AddItemButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var invoice = App.InvoiceService.CurrentInvoice;
                if (invoice == null)
                {
                    MessageBox.Show(this, "Please create or select an Invoice.", "ERROR", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                var itemViewModel = (ItemViewModel)ItemsComboBox.SelectedItem;
                if (itemViewModel == null)
                {
                    MessageBox.Show(this, "Please select an item to add to the invoice.", "ERROR", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                var item           = itemViewModel.Item;
                var lineItemNumber = DataStore.AddItemToInvoice(invoice, item);

                var lineItem = new LineItem
                {
                    InvoiceNumber  = invoice.InvoiceNum,
                    ItemCode       = item.ItemCode,
                    LineItemNumber = lineItemNumber
                };

                var currentInvoiceItemViewModel = new CurrentInvoiceItemViewModel(lineItem, item);
                ViewModel.CurrentInvoiceItems.Add(currentInvoiceItemViewModel);

                ViewModel.RefreshInvoice();
            }
            catch (Exception ex)
            {
                Error.HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name, MethodInfo.GetCurrentMethod().Name, ex);
            }
        }