public override string ToStringFile()
{
string s = ", ";
return(Maso.PadRight(7, ' ') + s + loai.PadRight(10, ' ') + s + Ten.PadRight(23, ' ') + s + NgayGio.ToString(formatXuat).PadRight(24, ' ')
+ s + DiaDiem.PadRight(10, ' ') + s + DienGia.PadRight(10, ' ') + s + SoLuong);
}
public override string ToString()
{
return(Maso.PadRight(9, ' ') + loai.PadRight(12, ' ') + Ten.PadRight(25, ' ') + NgayGio.ToString(formatXuat).PadRight(26, ' ')
+ DiaDiem.PadRight(12, ' ') + DienGia.PadRight(12, ' ') + SoLuong);
}