Windows Store Apps การอ่าน Text file และ CSV และการ Data Binding(C#)

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Devices.Geolocation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Core;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

using Windows.Storage;
using Windows.Storage.Pickers;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace WindowsStoreApps
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    /// 

    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        private async void btnBrowse_Click(object sender, RoutedEventArgs e)
        {
            FileOpenPicker openPicker = new FileOpenPicker();
            openPicker.ViewMode = PickerViewMode.List;
            openPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
            openPicker.FileTypeFilter.Add(".txt");

            StorageFile txtFile = await openPicker.PickSingleFileAsync();

            if(txtFile != null)
            { 
                String myString = await Windows.Storage.FileIO.ReadTextAsync(txtFile);

                // use myString

                this.lblResult.Text = string.Empty;

                int i = 0;
                string[] strText = myString.Split('\n');
                foreach (string str in strText)
                {
                    i++;
                    this.lblResult.Text = this.lblResult.Text + i + ". " +str;
                    this.lblResult.Text = this.lblResult.Text + Environment.NewLine;
                }
            }

        }

    }

}

<Page
	x:Class="WindowsStoreApps.MainPage"
	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:local="using:WindowsStoreApps"
	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
	mc:Ignorable="d">
    
<Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

        <Button x:Name="btnBrowse" Content="Browse CSV" HorizontalAlignment="Left" Margin="70,38,0,0" VerticalAlignment="Top" FontSize="25" Click="btnBrowse_Click"/>

        <ListView x:Name="myListView" HorizontalAlignment="Left" Height="453" Margin="80,111,0,0" VerticalAlignment="Top" Width="989">
            <ListView.ItemTemplate>
                <DataTemplate>
                    <StackPanel Orientation="Horizontal" Margin="0,0,0,17">
                        <StackPanel Width="80">
                            <TextBlock Text="{Binding CustomerID}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0" FontFamily="Global User Interface"/>
                        </StackPanel>
                        <StackPanel Width="150">
                            <TextBlock Text="{Binding Name}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0"/>
                        </StackPanel>
                        <StackPanel Width="300">
                            <TextBlock Text="{Binding Email}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0"/>
                        </StackPanel>
                        <StackPanel Width="50">
                            <TextBlock Text="{Binding CountryCode}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0"/>
                        </StackPanel>
                        <StackPanel Width="100">
                            <TextBlock Text="{Binding Budget}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0"/>
                        </StackPanel>
                        <StackPanel Width="100">
                            <TextBlock Text="{Binding Used}" TextWrapping="Wrap" FontSize="20" Foreground="#FFBFB9B9" Margin="5,0,0,0"/>
                        </StackPanel>
                    </StackPanel>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
    </Grid>

</Page>

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Devices.Geolocation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Core;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

using Windows.Storage;
using Windows.Storage.Pickers;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace WindowsStoreApps
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    /// 

    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        public class myCustomer
        {
            public string CustomerID { get; set; }
            public string Name { get; set; }
            public string Email { get; set; }
            public string CountryCode { get; set; }
            public string Budget { get; set; }
            public string Used { get; set; }
        }

        private async void btnBrowse_Click(object sender, RoutedEventArgs e)
        {
            FileOpenPicker openPicker = new FileOpenPicker();
            openPicker.ViewMode = PickerViewMode.List;
            openPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
            openPicker.FileTypeFilter.Add(".csv");

            StorageFile csvFile = await openPicker.PickSingleFileAsync();

            if (csvFile != null)
            {
                String myString = await Windows.Storage.FileIO.ReadTextAsync(csvFile);

                List<myCustomer> ls = new List<myCustomer>();

                string[] strText = myString.Split('\n');
                foreach (string str in strText)
                {
                    string[] strLine = str.Split(',');
                    ls.Add(new myCustomer
                    {
                        CustomerID = strLine[0],
                        Name = strLine[1],
                        Email = strLine[2],
                        CountryCode = strLine[3],
                        Budget = strLine[4],
                        Used = strLine[5]
                    });
                }

                this.myListView.ItemsSource = ls;
            }

        }

    }

}