后台控制silverlight的Grid

C#代码:

ComboBoxItem item = new ComboBoxItem();  
Grid grid = new Grid();  
grid.ColumnDefinitions.Insert(0, new ColumnDefinition() { Width = new GridLength(50) });  
grid.ColumnDefinitions.Insert(1, new ColumnDefinition() { Width = new GridLength(100) });  
  
Button MyButton = new Button();  
MyButton.SetValue(Grid.ColumnProperty, 0);  
MyButton.DataContext = "11";  
MyButton.Click+=new RoutedEventHandler(MyButton_Click);  
TextBox textbox = new TextBox();  
textbox.Name = "text";  
textbox.SetValue(Grid.ColumnProperty, 1);  
grid.Children.Add(MyButton);  
grid.Children.Add(textbox);  
item.Content = grid;  
Combobox1.Items.Add(item);