public override string ToStringFile()
        {
            string s = ",";

            return(ID.PadRight(10, ' ') + s + HoTen.PadRight(22, ' ') + s + GioiTinh.PadRight(11, ' ') + s + NgayThangNamSinh.ToString("dd/MM/yyyy").PadRight(13, ' ') + s + Sdt.ToString().PadRight(12, ' ') + s + Email.PadRight(20, ' ') + s + ViTri.PadRight(10) +
                   s + LuongCoBan.ToString().PadRight(14, ' ') + s + HoaHong.ToString().PadRight(12, ' ') + s + Luong);
        }
 public virtual void xuat()
 {
     Console.Write(ID.PadRight(10, ' ') + HoTen.PadRight(22, ' ') + GioiTinh.PadRight(11, ' ') + NgayThangNamSinh.ToString("dd - mm - yyyy").PadRight(13, ' ') + ViTri.PadRight(10) + LuongCoBan + "\n");
 }
 public override string ToString()
 {
     return(ID.PadRight(10, ' ') + HoTen.PadRight(22, ' ') + GioiTinh.PadRight(11, ' ') + NgayThangNamSinh.ToString("dd/MM/yyyy").PadRight(13, ' ') + ViTri.PadRight(10) +
            LuongCoBan.ToString().PadRight(14, ' ') + HoaHong.ToString().PadRight(12, ' ') + Luong + "\n");
 }
 public override void xuat()
 {
     Console.Write(ID.PadRight(10, ' ') + HoTen.PadRight(22, ' ') + GioiTinh.PadRight(11, ' ') + NgayThangNamSinh.ToString("dd/MM/yyyy").PadRight(13, ' ') + ViTri.PadRight(10) +
                   LuongCoBan.ToString().PadRight(14, ' ') + HoaHong.ToString().PadRight(12, ' ') + Luong + "\n");
 }