public TL_USER_InsResult TL_USER_Ins(TL_USER_SearchResult data) { try { using (var db = new OOAD_EDUManagementDataContext()) { return db.TL_USER_Ins(data.userName,MD5Code.GetMd5Hash(data.password), data.userFullName, data.roleID, data.email, data.address, data.phone, data.birthday == null ? null : data.birthday.Value.ToString(CommonClass.Constants.FormatDate)).FirstOrDefault(); } } catch (Exception e) { return new TL_USER_InsResult() { USERID = "", RESULT = "-1", ERRORDESC = e.Message }; } }