WPF绑定ListBox

class Student
    {
        public string sno { get; set; }
        public string sname { get; set; }
        public string sage { get; set; }
}
<ListBox Height="163" HorizontalAlignment="Left" Margin="12,12,0,0" Name="listBox1" VerticalAlignment="Top" Width="217" >
    <ListBox.ItemTemplate>
        <DataTemplate>
            <StackPanel Orientation="Horizontal">
                <TextBlock Text="{Binding sno}"/>
                <TextBlock Text="{Binding sname}"/>
                <TextBlock Text="{Binding sage}"/>
            </StackPanel>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>
List<Student> students = new List<Student>();
            students.Add(new Student { sno = "1", sname = "王井", sage = "20" });
            students.Add(new Student { sno = "2", sname = "高瑞", sage = "21" });
            students.Add(new Student { sno = "3", sname = "刘欢", sage = "21" });
            listBox1.Items.Clear();
            listBox1.ItemsSource = students;