后面的代码中的xaml绑定等效于什么？

Question

I have a xaml TextBlock bound as follows:

 <TextBlock Text="{Binding LastName}"/>

How do I access SelectedItem.LastName in C# codebehind? Thanks.

Details:

Data are from an XML file

 <Player>
 <LastName>...</LastName>
 <Age>...</Age>
 </Player>

The combobox binding was simplified for clarity as above in the xaml file.

Answer 1

Looking for this? http://msdn.microsoft.com/en-us/library/ms742863.aspx

MyData myDataObject = new MyData(DateTime.Now);      
Binding myBinding = new Binding("MyDataProperty");
myBinding.Source = myDataObject;
myText.SetBinding(TextBlock.TextProperty, myBinding);

Answer 2

SelectedItem belongs to `playerComboBox'. So it should be:

(playerComboBox.SelectedItem as TypeOfselectedItem).LastName

Answer 3

Modified answer above:

var selectedPlayer = (Player)playerComboBox.SelectedItem;
var age = selectedPlayer.Age;
var lastName = selectedPlayer.LastName;

Seems like this is what you're looking for.

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UPDATE (if "there is no Player class" ):

dynamic player = playerComboBox.SelectedItem;
int age = player.Age;
string lasName = player.LastName;