Silverlight ComboBox 设置选中项

方法一：

this.comboBox1.SelectedItem= (from p inthis.comboBox1.Items
where(p asPerson).Age ==20
selectp).First();

方法二：
List<SysConfigInfo> list = this.comboBoxStatus.ItemsSource as List<SysConfigInfo>;
int flag = -1;
for (int i = 0; i < list.Count; i++)
{
if (list[i].KindId == PDCConst.ATPStatus.NoConsent)
{
flag = i;
break;
}
}
this.comboBoxStatus.SelectedIndex = flag;