private void XoaMonAn()
{
string strMaMonAn = (string)Request["MaMonAn"];
int maMonAn = int.Parse(strMaMonAn);
MonAnBUS bus = new MonAnBUS();
bool flag = bus.XoaMonAn(maMonAn);
XL_THE the = new XL_THE("goc");
XL_THUOC_TINH thuoctinh = new XL_THUOC_TINH("kq", flag ? "1" : "0");
the.Danh_sach_thuoc_tinh.Add(thuoctinh);
string chuoi = the.Chuoi();
XL_CHUOI.XuatChuoi(Response, chuoi);
}