/// <summary>
 /// Returns true if the value changed on this post back.
 /// </summary>
 public bool ValueChangedOnPostBack(PostBackValueDictionary postBackValues)
 {
     return(checkBoxFormValue != null?checkBoxFormValue.ValueChangedOnPostBack(postBackValues) : radioButtonFormValue.ValueChangedOnPostBack(postBackValues));
 }
 /// <summary>
 /// Returns true if the value changed on this post back.
 /// </summary>
 public bool ValueChangedOnPostBack(PostBackValueDictionary postBackValues)
 {
     return(formValue.ValueChangedOnPostBack(postBackValues));
 }