public static BaiTapDTO[] LayBaiTapTheoTieuDeVanBan(string BaiHoc_XML, string tieude)
{
BaiTapDTO[] DanhSachBaiTap;
XmlDocument XmlD = new XmlDocument();
XmlD.Load(BaiHoc_XML);
XmlNodeList danh_sach_van_ban = XmlD.GetElementsByTagName("VANBAN");
ArrayList ListBaiTap = new ArrayList();
foreach (XmlElement vb in danh_sach_van_ban)
{
if (vb.GetAttribute("TieuDe") == tieude)
{
XmlNode nut_dh = vb.NextSibling;
foreach (XmlElement nut_bt in nut_dh.ChildNodes)
{
BaiTapDTO BaiTap = KhoiTao(nut_bt);
ListBaiTap.Add(BaiTap);
}
break;
}
}
DanhSachBaiTap = (BaiTapDTO[])ListBaiTap.ToArray(typeof(BaiTapDTO));
return(DanhSachBaiTap);
}
public static string[] LayNoiDungCauHoi(BaiTapDTO BaiTap)
{
ArrayList myList = new ArrayList();
foreach (CauHoiTuLuanDTO CauHoiTuLuan in BaiTap.ArrCauHoi)
{
string nd = CauHoiTuLuan.NoiDung;
myList.Add(nd);
}
string[] DanhSachCauHoi = (string[])myList.ToArray(typeof(string));
return(DanhSachCauHoi);
}
public static BaiTapDTO KhoiTao(XmlElement Root)
{
BaiTapDTO BaiTap = new BaiTapDTO();
BaiTap.SoThuTu = int.Parse(Root.GetAttribute("SoThuTu"));
BaiTap.ArrCauHoi = new ArrayList();
foreach (XmlElement Node in Root.ChildNodes)
{
BaiTap.ArrCauHoi.Add(CauHoiTuLuanDAO.KhoiTao(Node));
}
return(BaiTap);
}
