public DataTable LayDanhSachTheLoai() { try { TheLoaiDAO dsTheLoai = new TheLoaiDAO(); DataTable table = dsTheLoai.LayDanhSachTheLoai(); return(table); } catch (SqlException ex) { throw ex; } }
public void ThemTheLoai(string tenTheLoai) { try { TheLoaiDAO TheLoai = new TheLoaiDAO(); DataTable dsTheLoai = TheLoai.LayDanhSachTheLoai(); string maTheLoai = "TLS" + (int.Parse(dsTheLoai.Rows[dsTheLoai.Rows.Count - 1][0].ToString().Substring(3, 3)) + 1).ToString("000"); TheLoai.ThemTheLoai(maTheLoai, tenTheLoai); } catch (Exception) { throw; } }