th? gi?n v¨¤ th??ng th?c m?t t¨¢ch tr¨¤ c?a th? x?QueryString m?i ?o?n: "Ph?i n¨®i r?ng, th? x?QueryString m?i ?o?n l¨¤ m?t ?i?m ??n h?p d?n kh?ng ch? b?i v? ??p thi¨ºn nhi¨ºn m¨¤ c¨°n b?i nh?ng s?n ph?m n?ng s?n gi¨¤u gi¨¢ tr?. Trong ?¨®, tr¨¤ l¨¤ m?t trong nh?ng ??c s?n n?i ti?ng, ???c tr?ng v¨¤ ch? bi?n m?t c¨¢ch c?n th?n. V?y n¨ºn, n?u b?n ?ang t¨¬m ki?m m?t lo?i tr¨¤ ngon, th¨¬ **th? x?QueryString
