public void AddChiTietDanhSach()
        {
            int count1 = 0;

            try
            {
                dskb.GetCount(ref count1, "CHITIETDANHSACH", "MaChiTietDanhSach", "CD");
                count1++;
            }
            catch
            { }
            string ID         = "CD" + count1.ToString("000");
            string IDBenhNhan = "BN" + count1.ToString("000");


            int count2 = 0;

            try
            {
                dskb.GetCount(ref count2, "DANHSACHKHAMBENH", "MaDanhSach", "DS");
            }
            catch
            { }
            string IDDanhSach            = "DS" + count2.ToString("000");
            DALLapPhieuKhamBenh tienkham = new DALLapPhieuKhamBenh(  );
            int _tienkham = 0;

            tienkham.LayTienKhamQuyDinh(ref _tienkham);

            dskb.AddChiTietDanhSach(ID, IDDanhSach, IDBenhNhan, "", "", _tienkham, 0, 0);
        }