Serializing an object

protected override void LoadToView(CaseStageDomObj caseStage)
        {
                Button btn = (Button)((ViewComplaint)Page).ReturnTheButton();
                Button _button = (Button)Serialize<Button>(btn);
                ViewState.Add("Button", _button);
        }

public static MemoryStream Serialize<Button>(Button btn)
        {
            
            DataContractSerializer s = new DataContractSerializer(typeof(Button));
            MemoryStream ms = new MemoryStream();
            s.WriteObject(ms, btn);
            return ms;
        }