title: Checked RadioButton
body: <p>I have a list of RadioButton :
  RadioButton1
  RadioButton2
  RadioButton3
  And I want to "Checked" one of this RadioButton using a variable :
  string nameCheckBox = "RadioButton"+1;
  And finally I want to do : nameCheckBox.IsChecked = true;</p>
  
  <p>Is it possible ?</p>