Object reference not set to an instance of an object. :
Tổng Lượt Xem:
cac ban muon che coc thi phi trai nghiem va am hieu khi do cac ban moi co cach noi that dung ve coc. minh rat buon va buc ve nhung loi binh ko duoc chinh xac cua cac ban ve coc. hay den gap minh de xac thuc loi binh cua cac ban. toi luon san long nhan lay nhung gop y cua cac ban ve chat luong nuoc uong cua coc. vi minh la nguoi lam ra nhung nuoc uong ma cac ban dang dung o coc. chao cac ban nhe