示例#1
0
        private async void OnSearchClicked(object sender, EventArgs e)
        {
            var city = cityComboBox.Text;
            var currentSearchTerm = searchForTextBox.Text;

            if (string.IsNullOrEmpty(city) ||
                string.IsNullOrEmpty(currentSearchTerm))
            {
                return;
            }

            ResultListBox.DataSource    = (await CraigsList.Search(city, currentSearchTerm)).ToList();
            ResultListBox.DisplayMember = nameof(Item.Value);
        }
        private async void OnSearchButtonPressed(object sender, EventArgs e)
        {
            string city      = SearchCity.SelectedItem?.ToString();
            string searchFor = SearchFor.Text;

            if (string.IsNullOrEmpty(city) || string.IsNullOrEmpty(searchFor))
            {
                return;
            }

            try
            {
                Results.ItemsSource = (await CraigsList.Search(city, searchFor)).ToList();
            }
            catch (Exception ex)
            {
                await DisplayAlert("Error", $"Failed to connect to CraigsList: {ex.Message}.", "OK");
            }
        }