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;
}
}