public string GetUserQuestionList(string userId, string type) { switch (type.ToUpper()) { case "QUESTION": return(_javaScriptSerializer.Serialize(QuestionBll.GetList(userId))); case "ANSWER": return(_javaScriptSerializer.Serialize(QuestionBll.GetUserAnswerList(userId))); case "FAVOURITE": return(_javaScriptSerializer.Serialize(iMoocQA.Data.UserFavourite.GetUserFavourites(userId))); default: return(string.Empty); } }