xxcpzs/XXCpzs/Views/PageCustomerSelect.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using XXCpzs.Models;
using XXCpzs.Services;
using XXCpzs.ViewModels;

namespace XXCpzs.Views
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class PageCustomerSelect : ContentPage
    {
        SearchViewModel ViewModel;
        private UserInfo userInfo;


        public PageCustomerSelect(UserInfo userInfo)
        {
            InitializeComponent();
            this.userInfo = userInfo;
            this.BindingContext = ViewModel = new SearchViewModel(userInfo.uid, this);
            searchResults.ItemsSource = CustomerDataService.GetSearchResults(searchBar.Text);
        }

        void OnTextChanged(object sender, TextChangedEventArgs e)
        {
            searchResults.ItemsSource = CustomerDataService.GetSearchResults(e.NewTextValue);
        }

        private async void searchResults_ItemSelectedAsync(object sender, SelectedItemChangedEventArgs e)
        {

            if (e.SelectedItem != null)
            {
                Customer customer = e.SelectedItem as Customer;
                bool response = await DisplayAlert("Item Selected", customer.company, "Yes", "No");
                if (response)
                {
                    MessagingCenter.Send(this, "SelectCustomer", customer);
                    await Navigation.PopModalAsync();
                }
            }
        }
        private async void Button_Clicked(object sender, EventArgs e)
        {
            await Navigation.PushModalAsync(new NavigationPage(new PageAddCustomer(userInfo)));
        }

        public void Refresh()
        {
            searchResults.ItemsSource = CustomerDataService.GetSearchResults(searchBar.Text);
        }
    }
}