11-26win8 数据绑定

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ListView

***************************************.xaml中

************************************.xaml.cs中

public sealed partial class listview : Page
{
List<person> p1 = new List<person>();-------------------------------定义person类

        public listview()
        {
            this.InitializeComponent();
        }

        /// <summary>
        /// 在此页将要在 Frame 中显示时进行调用。
        /// </summary>
        /// <param name="e">描述如何访问此页的事件数据。Parameter
        /// 属性通常用于配置页。</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            p1.Add(new person() { Name = "张三姐", Age = 21, Img = "ms-appx:///images/DSC_0231.JPG" });
            p1.Add(new person() { Name = "李四哥", Age = 22, Img = "ms-appx:///images/DSC_0233.JPG" });
            p1.Add(new person() { Name = "志玲姐", Age = 21, Img = "ms-appx:///images/DSC_0249.JPG" });

this.lv1.ItemsSource = p1; }

知识2

****************.xaml

</Grid>

.xaml.cs

  person p1 = new person()
        {
            Name = "刘晓飞"
        };

protected override void OnNavigatedTo(NavigationEventArgs e)
{
this.txtname.DataContext = p1;//上下文

}

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            p1.Name = "zhangdong";
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            MessageDialog mes = new MessageDialog(p1.Name);
            mes.ShowAsync();
        }

person类中

private string name;

        public string Name
        {
            get { return name; }
            set
            {
                name = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Name"));
                }
            }
        }
        private int age;

        public int Age
        {
            get { return age; }
            set
            {
                age = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Age"));
                }
            }
        }
        private string img;
        public string Img
        {
            get { return img; }
            set {
                img = value;
                if (PropertyChanged != null)
                {
                PropertyChanged(this, new PropertyChangedEventArgs("Img"));

                }
            }
        }
        public event PropertyChangedEventHandler PropertyChanged;