private void cmdBatDauLamBai_Click(object sender, EventArgs e)
{
counter = _server.BeginExam(txtThoiGianLamBai.Text, this.counter, countdown);
_server.sendDe(cbChonMonThi.Text);
string pathSubjectExam = PathNameSubjectExam;
_server.Send(pathSubjectExam);
MessageBox.Show("Bắt đầu tính thời gian làm bài kiểm tra");
}
private void cmdBatDauLamBai_Click(object sender, EventArgs e)
{
counter = _server.BeginExam(txtThoiGianLamBai.Text, this.counter, countdown);
}
