public float ChamDiem(out int soCauDung)
{
soCauDung = 0;
float diem = 0;
if (CAUHOITHI == null)
{
MessageBox.Show("Đã có lỗi trong quá trình thi vui lòng kiểm tra kết nối!");
return(diem);
}
for (int i = 0; i < CAUHOITHI.Count; i++)
{
HoTroLayCauHoiThi ht = CAUHOITHI[i];
if (!string.IsNullOrEmpty(ht.LuaChon))
{
if (ht.LuaChon.Trim() == ht.DapAn.Trim())
{
soCauDung++;
}
}
}
if (soCauDung != 0)
{
diem = (10 / CAUHOITHI.Count) * soCauDung;
}
return(diem);
}
private void LuaChon_Click(object sender, EventArgs e)
{
RadioButton rGLuaChon = (RadioButton)sender;
if (rGLuaChon.Checked == true)
{
rGLuaChon.BackColor = Color.YellowGreen;
}
else
{
rGLuaChon.BackColor = Color.White;
}
if (rGLuaChon == null && CAUHOITHI == null)
{
return;
}
string luaChon = rGLuaChon.Name.Trim().Split('-')[0];
int maCH = Int32.Parse(rGLuaChon.Name.Trim().Split('-')[1]);
HoTroLayCauHoiThi ht = CAUHOITHI.Where(x => x.MaCH == maCH).FirstOrDefault();
if (ht != null)
{
ht.LuaChon = luaChon;
}
CAUHOITHI.Where(x => x.MaCH == maCH).FirstOrDefault().LuaChon = ht.LuaChon;
}
private void FormThi_Load(object sender, EventArgs e)
{
// TODO: This line of code loads data into the 'dtsTTN.CT_BAITHI' table. You can move, or remove it, as needed.
this.cT_BAITHITableAdapter.Fill(this.dtsTTN.CT_BAITHI);
bANGDIEMTableAdapter.Fill(this.dtsTTN.BANGDIEM);
MyTimer.Interval = (1000); // 1 mins
MyTimer.Tick += new EventHandler(t_Tick);
MyTimer.Start();
if (MaBD != -1)
{
BDThiTam = BoDe.LayBDThi(MaBD);
if (BDThi == null)
{
return;
}
CAUHOITHI = new List <HoTroLayCauHoiThi>();
HoTroLayCauHoiThi htCHThi = null;
Panel pnCauHoi = null;
int i = BDThiTam.Count;
while (BDThiTam.Count != 0)
{
htCHThi = new HoTroLayCauHoiThi();
int r = rnd.Next(BDThiTam.Count);
HoTroLayBDThi ht = BDThiTam[r];
BDThi.Add(ht);
CAUHOI cauHoi = CauHoi.GetCauHoiByMaCH(ht.MaCauHoi);
List <LUACHON> luachon = CauHoi.GetLuaChonByMaCH(ht.MaCauHoi);
pnCauHoi = new Panel();
pnCauHoi.AutoSize = true;
pnCauHoi.Dock = DockStyle.Top;
Label lb = new Label();
lb.AutoSize = true;
FontStyle newFontStyle = (FontStyle)(FontStyle.Bold);
lb.Font = new Font("Times New Rowman", 25, newFontStyle);
lb.Text = "Câu " + i + " : " + cauHoi.NOIDUNG;
RadioButton rGLuaChon = null;
foreach (LUACHON lc in luachon)
{
rGLuaChon = new RadioButton();
rGLuaChon.AutoSize = true;
rGLuaChon.Name = lc.MALC.Trim() + "-" + cauHoi.MACH.ToString().Trim();
rGLuaChon.Font = new Font("Times New Rowman", 25, newFontStyle);
// update dap an neu thay doi lua chon
rGLuaChon.CheckedChanged += new EventHandler(LuaChon_Click);
//rGLuaChon.Add(new RadioGroupItem(lc.MALC.ToString(), "Câu " + lc.MALC.ToString() + " : " + lc.NOIDUNG));
rGLuaChon.Text = "Câu " + lc.MALC.ToString() + " : " + lc.NOIDUNG;
rGLuaChon.Dock = DockStyle.Bottom;
rGLuaChon.Focus();
pnCauHoi.Controls.Add(rGLuaChon);
}
lb.Dock = DockStyle.Top;
pnCauHoi.Controls.Add(lb);
pnThi.Controls.Add(pnCauHoi);
htCHThi.MaCH = cauHoi.MACH;
htCHThi.STT = ht.SoTT;
htCHThi.DapAn = cauHoi.DAPAN;
htCHThi.STTKhiThi = i - 1;
CAUHOITHI.Add(htCHThi);
BDThiTam.RemoveAt(r);
i--;
}
}
pnThi.AllowDrop = true;
pnThi.AutoScroll = true;
}
