<Window x:Class="demo.MainWindow"        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"                Title="NavigateCollection" Height="367" Width="422"         xmlns:db="clr-namespace:StoreDatabase;assembly=StoreDatabase"        xmlns:local="clr-namespace:demo"    >    <Grid Margin="10">        <Grid.RowDefinitions>            <RowDefinition Height="Auto"></RowDefinition>            <RowDefinition Height="*"></RowDefinition>            <RowDefinition Height="Auto"></RowDefinition>        </Grid.RowDefinitions>        <!--IsSynchronizedWithCurrentItem同步view显示内容-->        <ComboBox Name="lstProduts" DisplayMemberPath="ModelName" Text="{Binding Path=ModelName}"                  IsSynchronizedWithCurrentItem="True" SelectionChanged="lstProducts_SelectionChanged"></ComboBox>                <Border Grid.Row="1" Padding="5" Margin="0,5,0,5" Background="LightSteelBlue">            <Grid>                <Grid.ColumnDefinitions>                    <ColumnDefinition Width="Auto"></ColumnDefinition>                    <ColumnDefinition></ColumnDefinition>                </Grid.ColumnDefinitions>                <Grid.RowDefinitions>                    <RowDefinition Height="Auto"></RowDefinition>                    <RowDefinition Height="Auto"></RowDefinition>                    <RowDefinition Height="Auto"></RowDefinition>                    <RowDefinition Height="Auto"></RowDefinition>                    <RowDefinition Height="*"></RowDefinition>                </Grid.RowDefinitions>                                <TextBlock Margin="7">Model Number:</TextBlock>                <TextBox Margin="5" Grid.Column="1" Text="{Binding Path=ModelNumber}"></TextBox>                <TextBlock Margin="7" Grid.Row="1">Model name:</TextBlock>                <TextBox Margin="5" Grid.Row="1" Grid.Column="1" Text="{Binding Path=ModelName}"></TextBox>                <TextBlock Margin="7" Grid.Row="2">Unit Cost:</TextBlock>                <TextBox Margin="5" Grid.Row="2" Grid.Column="1" Text="{Binding Path=UnitCost,StringFormat={}{0:C}}"></TextBox>                <TextBlock Margin="7,7,7,0" Grid.Row="3">Description:</TextBlock>                <TextBox Margin="7" Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="2"                         TextWrapping="Wrap" VerticalScrollBarVisibility="Visible" Text="{Binding Path=Description}"></TextBox>            </Grid>        </Border>                <Grid Grid.Row="2">            <StackPanel Orientation="Horizontal">                <Button Name="cmdPrev" Click="cmdPrev_Click">&lt;</Button>                <TextBlock Margin="5,0,5,0" Name="lblPostion" VerticalAlignment="Center"></TextBlock>                <Button Name="cmdNext" Click="cmdNext_Click">&gt;</Button>            </StackPanel>        </Grid>    </Grid></Window>

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Imaging;using System.Windows.Navigation;using System.Windows.Shapes;using StoreDatabase;namespace demo{    /// <summary>    /// MainWindow.xaml 的交互逻辑    /// </summary>    public partial class MainWindow : Window    {        private ICollection<Product> products;        private ListCollectionView view;        public MainWindow()        {            InitializeComponent();            //this.lstProducts.ItemsSource = App.StoreDb.GetProducts();            products = App.StoreDb.GetProducts();            this.DataContext = products;            view = (ListCollectionView)CollectionViewSource.GetDefaultView(this.DataContext);            view.CurrentChanged += new EventHandler(view_CurrentChanged);            this.lstProduts.ItemsSource = products;        }        private void cmdPrev_Click(object sender, RoutedEventArgs e)        {            view.MoveCurrentToPrevious();                                }        private void cmdNext_Click(object sender, RoutedEventArgs e)        {            view.MoveCurrentToNext();        }        private void view_CurrentChanged(object sender, EventArgs e)        {            this.lblPostion.Text = "Record " + (view.CurrentPosition + 1).ToString() + " of " + view.Count.ToString();            cmdPrev.IsEnabled = view.CurrentPosition > 0;            cmdNext.IsEnabled = view.CurrentPosition < view.Count - 1;        }        //private void lstProducts_SelectionChanged(object sender, RoutedEventArgs e)        //{        //    view.MoveCurrentTo(lstProduts.SelectedItem);        //}        private void lstProducts_SelectionChanged(object sender, SelectionChangedEventArgs e)        {            view.MoveCurrentTo(lstProduts.SelectedItem);        }    }}