Xaml代碼

 <!-- Binding雙向綁定 -->
 <StackPanel Name="stackPanel" HorizontalAlignment="Left" VerticalAlignment="Top" Orientation="Vertical">
        <TextBox Name="lbId" Text="{Binding ID}"/>      //使用Binding綁定ID屬性
        <TextBox Name="lbName" Text="{Binding Name}"/>  //使用Binding綁定Name屬性
        <TextBox Name="lbAge" Text="{Binding Age}"/>    //使用Binding綁定Age屬性
        <Button Width="100" Height="50" Content="加1" Click="Button_Click"/>
 </StackPanel>

C#代碼

    public MainWindow()
    {
        InitializeComponent();
        Init();
    }
    StudentData stuData = new StudentData();  //實例類
    public void Init()
    {
        stuData.ID = 1001;
        stuData.Name = "小明";
        stuData.Age = 18;
        stuData.Name = "小明";
        //this.DataContext = stuData;       //整個窗口內的所有元素都可以綁定此數據
        stackPanel.DataContext = stuData;  //僅stackPanel內的所有元素可以綁定此數據  
    }
    //聲明類
    private void Button_Click(object sender, RoutedEventArgs e)
    {
        stuData.Age++;
        MessageBox.Show(stuData.Age.ToString());
    }
}
//引用INotifyPropertyChanged接口，微軟雙向機制，通知客戶端屬性值已更改。
public class StudentData:INotifyPropertyChanged
{
    private int _ID;            //聲明字段
    private String _Name;       //聲明字段
    private int _Age;           //聲明字段
    public int ID
    {
        get
        {
            return _ID;
        }
        set
        {
            this._ID = value;
            if (PropertyChanged !=null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs("ID"));
                //如果PropertyChanged狀態改變了，響應綁定數據更新
            }
        }
    }
        public String Name
        {
            get
            {
                return _Name;
            }
            set
            {
                this._Name = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Name"));
                }
            }
        }
        public int Age
        {
            get
            {
                return _Age;
            }
            set
            {
                this._Age = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Age"));
                }
            }
        }
        public event PropertyChangedEventHandler PropertyChanged;
}

“`