debug โปรแกรม แล้วมันขึ้น Error ค่ะ ส่วนของ report จะต้องแก้ไขยังไงคะ ช่วยแนะนำหน่อยค่ะ (C#, Winapp) _/\_

public reportdetail()
        {
            InitializeComponent();
        }
        long fib(int n)
        {
            if (n <= 2) return 1;
            return fib(n - 1) + fib(n - 2);
        }

        private void reportdetail_Load(object sender, EventArgs e)
        {
            try
            {
                string con = contocarpark.con;
                SqlConnection cn = new SqlConnection(con);

                cn.Open();
                DataSet ds = new DataSet();
                SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM DAILY_LOG_ZONE", cn);
                da.Fill(ds, "combolist");
                comboBox1.DataSource = ds;
                comboBox1.DisplayMember = "combolist.ZONE_NAME";
                comboBox1.ValueMember = "combolist.ZONE_ID";
                cn.Close();
            }
            catch (Exception)
            {
                MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", "ฐานข้อมูลผิดพลาด", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        public string RetrurnDate(string DateStr)
        {
            string DateXResult;
            if (DateStr != "" | DateStr != null)
            {
                System.DateTime convertdate = DateTime.Parse(DateStr);
                System.DateTime convertdateformat = DateTime.Parse(convertdate.ToString("yyyy/M/d", new System.Globalization.CultureInfo("en-US")));
                DateXResult = convertdateformat.ToShortDateString();
                return DateXResult;
            }
            else
            {
                DateXResult = "";
                return DateXResult;
            }
        }

        private void Showdata()
        {
            string datestart = dateTimePicker1.Text;
            string dateend = RetrurnDate(datestart);
            string dateendsure = Convert.ToDateTime(dateend).ToString("MM/dd/yyyy");
            string datesecond = dateTimePicker2.Text;
            string dateconvert = Convert.ToString(datesecond);
            string datesecondcon = RetrurnDate(dateconvert);
            string datesecondconsure = Convert.ToDateTime(datesecondcon).ToString("MM/dd/yyyy");
            string zone = comboBox1.Text;

            string con = contocarpark.con;
            SqlConnection cn = new SqlConnection(con);

            cn.Open();
            String Sql = "SELECT QUEUE_NO,TIME_IN,TIME_OUT,TOTAL_HOUR,CARD_CODE,CARD_NO,RESULT_PRICE,RESULT_COUPON,RESULT_TOTAL,ZONE_NAME,TYPE_NAME,TERMINAL,realname FROM DAILY_LOG_PARK";
            Sql += " INNER JOIN DAILY_LOG_ZONE ON DAILY_LOG_PARK.ZONE_ID = DAILY_LOG_ZONE.ZONE_ID ";
            Sql += " INNER JOIN DAILY_LOG_TYPEPAID ON DAILY_LOG_PARK.TYPE_ID = DAILY_LOG_TYPEPAID.TYPE_ID";
            Sql += " INNER JOIN DAILY_LOG_USER ON DAILY_LOG_PARK.UserID = DAILY_LOG_USER.UserID WHERE convert(char,TIME_OUT,101) BETWEEN '" + dateendsure + "' AND '" + datesecondconsure + "'";
            Sql += " AND convert(char,ZONENAME,70) AS '" + zone + "'";
            SqlCommand cmd = new SqlCommand(Sql, cn);
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);
            DataSet data = new DataSet();
            adapter.Fill(data, "member");
            dataGridView1.DataSource = data.Tables["member"];
            cn.Close();
                
            DataSetX2 X = new DataSetX2();
            if (X.DataTable1.Rows.Count > 0)
            {
                X.DataTable1.Clear();
            }
            for (int i = 0; i < dataGridView1.RowCount; i++)
            {
                DataGridViewRow dr = new DataGridViewRow();
                dr = dataGridView1.Rows[i];
                X.DataTable1.Rows.Add(dr.Cells[0].Value, dr.Cells[1].Value, dr.Cells[2].Value, dr.Cells[3].Value, dr.Cells[4].Value, dr.Cells[5].Value, dr.Cells[6].Value, dr.Cells[7].Value, dr.Cells[8].Value, dr.Cells[9].Value, dr.Cells[10].Value, dr.Cells[11].Value, dr.Cells[12].Value, dateTimePicker1.Text, dateTimePicker2.Text);
            }            
            printreport frm = new printreport();
            frm.Xx = X;
            frm.Show();
            //this.Close();
        }


        private void button1_Click(object sender, EventArgs e)
        {
            Showdata();
        }