private void FilGVDanhSachLichChieu() { SuatChieuBUS SuatChieuBUS = new SuatChieuBUS(); gvDanhSachLichChieu.DataSource = SuatChieuBUS.LayDanhSach(); gvDanhSachLichChieu.DataBind(); PhimBUS phimBUS = new PhimBUS(); ddl_maphim.DataSource = phimBUS.LayDanhSachIDPhim(); ddl_maphim.DataBind(); PhongChieuBUS phongChieuBUS = new PhongChieuBUS(); ddl_maphongchieu.DataSource = phongChieuBUS.LayDanhSachMaPhongChieu(); ddl_maphongchieu.DataBind(); }