private void btnClose_Click(object sender, EventArgs e)
        {
            double count_question = QB.GetCount_of_Question(int.Parse(txtID.Text));
            double score          = double.Parse(txtTempPoin.Text) / count_question;

            DialogResult dr = MessageBox.Show("Are You Sure to End this Question?", "QUESTION", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (dr == DialogResult.Yes)
            {
                this.Close();
                if (temp_score_id != 0)
                {
                    SC.SaveScore(score, Get_Finish_Time(), temp_score_id);

                    int      score_id = int.Parse(SC.Get_User_Id(temp_score_id));
                    FormQuis FQ       = new FormQuis(score_id);
                    FQ.ShowDialog();
                    FQ.RefreshGridView();
                }
                else
                {
                    int      temp_user_id = Convert.ToInt32(SC.Get_User_Create(bank_id));
                    FormBank FB           = new FormBank(temp_user_id);
                    FB.ShowDialog();
                }
            }
        }