Da chuyen cac ham tinh tu dong vao trong CTTaiSan

public static List<TaiSanHienThi> Convert(List<CTTaiSan> list, int namthongke)

Input: List<CtTaiSan> chu khong phai List<TaiSanHienThi>
Se lam cho chuong trinh chay nhanh hon, vi khong phai neu moi lai TaiSanHienThi