public CCauTracNghiem(CCauTracNghiem cauHoi)
{
this.NoiDungCauHoi = cauHoi.NoiDungCauHoi;
this.DapAnA = cauHoi.DapAnA;
this.DapAnB = cauHoi.DapAnB;
this.DapAnC = cauHoi.DapAnC;
this.DapAnD = cauHoi.DapAnD;
this.DapAnDung = cauHoi.DapAnDung;
this.CauTraLoi = cauHoi.CauTraLoi;
}
private void LoadDeThi()
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Chon tap tin .xml|*.xml";
if (dlg.ShowDialog() == DialogResult.OK)
{
arrCauHoi.Clear();
string filePath = dlg.FileName;
txtDuongDan.Text = filePath;
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlElement root = doc.DocumentElement;
XmlNodeList rootCauHoi = root.ChildNodes;
for (int i = 0; i < rootCauHoi.Count; i++)
{
CCauTracNghiem CauTracNghiem = new CCauTracNghiem();
XmlNode nodeNoiDungCauHoi = rootCauHoi[i].SelectSingleNode("NoiDung");
CauTracNghiem.NoiDungCauHoi = nodeNoiDungCauHoi.InnerText.ToString();
XmlNode nodeDapAnA = rootCauHoi[i].SelectSingleNode("DapAnA");
CauTracNghiem.DapAnA = nodeDapAnA.InnerText.ToString();
XmlNode nodeDapAnB = rootCauHoi[i].SelectSingleNode("DapAnB");
CauTracNghiem.DapAnB = nodeDapAnB.InnerText;
XmlNode nodeDapAnC = rootCauHoi[i].SelectSingleNode("DapAnC");
CauTracNghiem.DapAnC = nodeDapAnC.InnerText;
XmlNode nodeDapAnD = rootCauHoi[i].SelectSingleNode("DapAnD");
CauTracNghiem.DapAnD = nodeDapAnD.InnerText;
XmlNode nodeDapAnDung = rootCauHoi[i].SelectSingleNode("DapAnDung");
CauTracNghiem.DapAnDung = int.Parse(nodeDapAnDung.InnerText);
//them cau hoi vao list
arrCauHoi.Add(CauTracNghiem);
}
DialogResult r = MessageBox.Show("Đề thi được nạp thành công. Nhấn [Bắt đầu thi] để làm bài", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (r == DialogResult.OK)
{
btnduongDan.Enabled = false;
btnBatDau.Enabled = true;
tongThoiGianThi = arrCauHoi.Count * 15;
thoiGianThi = new DateTime(2000, 1, 1, 0, tongThoiGianThi / 60, tongThoiGianThi % 60, 0);
lbThoiGian.Text = thoiGianThi.Minute.ToString() + " : " + thoiGianThi.Second.ToString();
}
}
else
{
DialogResult r = MessageBox.Show("Đề thi chưa được nạp. Bạn không thể bắt đầu bài thi.", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
if (r == DialogResult.OK)
{
btnduongDan.Enabled = true;
btnBatDau.Enabled = false;
}
}
}
