public static List <LUACHON> GetLuaChonByMaCH(int maCH)
{
if (Program.KetNoi() == 0)
{
return(null);
}
SqlDataReader myReader;
myReader = Program.ExecSqlDataReader(string.Format(KeyConst.Lenh.GetLuaChonByMaCH, maCH));
if (myReader == null)
{
return(null);
}
List <LUACHON> lstLC = new List <LUACHON>();
while (myReader.Read())
{
LUACHON lc = new LUACHON
{
MALC = myReader.GetString(0),
MACH = myReader.GetInt32(1),
NOIDUNG = myReader.GetString(2)
};
lstLC.Add(lc);
}
myReader.Close();
return(lstLC);
}
private void txtSoDA_EditValueChanged(object sender, EventArgs e)
{
lstLC = new List <LUACHON>();
for (int i = 0; i < lstPanel.Count; i++)
{
lstPanel[i].Dispose();
}
lstPanel = new List <Panel>();
int soLC = Int32.Parse(txtSoDA.Value.ToString());
SODA = soLC;
cbbDapAn.Items.Clear();
cbbDapAn.Enabled = true;
for (int i = 0; i < SODA; i++)
{
cbbDapAn.Items.Add(KeyConst.LUACHON[i]);
}
if (soLC > 28 || soLC < 0)
{
MessageBox.Show("Số đáp án phải nhỏ hơn 28 và lớn hơn 0", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
for (int i = 0; i < soLC; i++)
{
LUACHON lc = new LUACHON();
Panel pnLC = new Panel();
Panel pnCau = new Panel();
Label lbCau = new Label();
lbCau.Text = lc.MALC = "Câu " + KeyConst.LUACHON[i];
pnCau.Height = 15;
lbCau.Size = pnCau.Size;
pnCau.Controls.Add(lbCau);
Panel pnND = new Panel();
RichTextBox rtbND = new RichTextBox();
rtbND.ReadOnly = false;
rtbND.Name = KeyConst.LUACHON[i];
rtbND.Font = new System.Drawing.Font("Time News Rowman", 20F);
rtbND.Dock = DockStyle.Fill;
pnND.Name = rtbND.Name;
pnND.Controls.Add(rtbND);
pnND.Height = 150;
pnND.Dock = DockStyle.Top;
pnCau.Dock = DockStyle.Top;
pnLC.Controls.Add(pnND);
pnLC.Controls.Add(pnCau);
pnLC.Dock = DockStyle.Top;
pnLstLuaChon.Controls.Add(pnLC);
lstPanel.Add(pnLC);
}
pnLstLuaChon.AutoScroll = true;
pnLstLuaChon.FireScrollEventOnMouseWheel = true;
}
