protected async override void OnAppearing()
        {
            base.OnAppearing();
            if (App.Service == null)
            {
                App.Service = await MemoryDirectoryService.FromCsv("XamarinDirectory.csv");

                viewModel.Service = App.Service;
            }
        }
        public static Page GetMainPage()
        {
            //
            // Create the service
            //

            //
            // Local CSV file
            Service = MemoryDirectoryService.FromCsv("XamarinDirectory.csv").Result;

            //
            // LDAP service - uncomment to try it out.
            //Service = new LdapDirectoryService {
            //	Host = "ldap.mit.edu",
            //	SearchBase = "dc=mit,dc=edu",
            //};

            var employeeList = new EmployeeListXaml();

            var mainNav = new NavigationPage(employeeList);

            return(mainNav);
        }