protected void XoaBai(int maloai) { try { //xac nhan truoc khi xoa BUSBaiViet busBaiViet = new BUSBaiViet(); List<BAIVIET> lstBaiViet = busBaiViet.TimKiemTheoLoaiBaiViet(maloai); if (lstBaiViet != null) { foreach (BAIVIET bv in lstBaiViet) { BUSTapTinBaiViet busTapTin = new BUSTapTinBaiViet(); List<TAPTINBAIVIET> lstTapTin = busTapTin.TimKiemMaBaiViet(bv.MaBaiViet); if (lstTapTin != null) { foreach (TAPTINBAIVIET taptin in lstTapTin) { busTapTin.Xoa(taptin.MaTapTin); } } busBaiViet.Xoa(bv.MaBaiViet); } } BUSLoaiBaiViet bus = new BUSLoaiBaiViet(); if (bus.Xoa(maloai) == 0) { //Thong bao Response.Redirect("LoaiBaiViet.aspx"); } } catch { } }