private async Task ExecuteLoadCustomersCommand() { if (IsBusy) { return; } IsBusy = true; try { Customers.Clear(); var items = await CustomersDataStore.GetItemsAsync(true); Customers.ReplaceRange(items); } catch (Exception ex) { Debug.WriteLine(ex); MessagingCenter.Send(new MessagingCenterAlert { Title = "Error", Message = "Unable to load customers.", Cancel = "OK" }, "message"); } finally { IsBusy = false; } }
public CustomersViewModel() { Title = "Customers"; MessagingCenter.Subscribe <CustomerEditPage, Customer>(this, "AddCustomer", async(obj, customer) => { var _customer = (Customer)customer; Customers.Add(_customer); await CustomersDataStore.AddItemAsync(_customer); }); }
public async Task LoadRelatedFieldsAsync() { RelatedCustomer = await CustomersDataStore.GetItemAsync(SelectedOrder.CustomerId); RelatedEmployee = await EmployeesDataStore.GetItemAsync(SelectedOrder.EmployeeId); }