我需要從包含我班級對象的列表框中選擇一個項目。這裏是我的代碼:在Windows Phone 7中更改列表框的選定項目
加載事件:
private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
XDocument loadedData = XDocument.Load("file.xml");
var data = from query in loadedData.Descendants("element")
select new myClass
{
First = (string)query.Element("first"),
Second = (string) query.Element("second")
};
List<myClass> d = data.ToList<myClass>();
myList = d;
myListBox.ItemsSource = data;
}
,然後我的按鈕,應該改變所選項目:
private void button1_Click(object sender, RoutedEventArgs e)
{
myListBox.SelectedItem = myList[100];
}
我錯了在這裏做什麼?