public ActionResult IsLoginIdExist(string id) { string[] info = id.Split(','); string loginId = id; int userId = 0; if (info.Length == 2) { loginId = info[0]; userId = info[1] != "" ? Convert.ToInt32(info[1]) : userId; } return(Json(companyUtil.GetLoginByUserId(userId, loginId) == null ? false : true)); }