private void btn_gotoWork_Click(object sender, EventArgs e)
        {
            GotoWork dlgGotoWork = new GotoWork(this);

            dlgGotoWork.ShowDialog();

            if (dlgGotoWork.DialogResult == DialogResult.OK)
            {
                conn = new MySqlConnection(strConn);
                conn.Open();
                cmd = new MySqlCommand("", conn);

                string sql = "SELECT 출근시간 FROM commuting_time WHERE 아이디='" + LoginForm.uid + "'";
                cmd.CommandText = sql;
                reader          = cmd.ExecuteReader();

                string[] attendTime = { };
                while (reader.Read())
                {
                    attendTime = reader["출근시간"].ToString().Split(' ');
                }
                reader.Close();

                // 출근 체크한 날짜가 DB에 있는 출근 날짜와 같지 않을 때 실행
                if (attendTime[0].ToString() != DateTime.Now.ToString("yyyy-MM-dd"))
                {
                    string dateTime = DateTime.Now.ToString("yyyy-MM-dd") + " " + DateTime.Now.ToString("HH:mm:ss");

                    sql             = "UPDATE commuting_time SET ";
                    sql            += " 출근시간='" + dateTime + "', " + "퇴근시간=NULL, ";
                    sql            += "작업라인='" + GotoWork.strWorkLine + "', 책임유무='" + GotoWork.strYesNo + "' ";
                    sql            += " WHERE 아이디='" + LoginForm.uid + "'";
                    cmd.CommandText = sql;
                    cmd.ExecuteNonQuery();
                }
                else
                {
                    MessageBox.Show("출근 처리가 이미 되었습니다.");
                }
            }
        }
 public CheckForm(GotoWork form)
 {
     InitializeComponent();
     this.gotoWorkForm = form;
 }