คือพิมพ์ไปแล้ว มันเกิด error ไม่รู้จะแก้ยังไง ช่วยแนะนำหน่อยค่ะ _/\_

using System.Data.SqlClient;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Data.SqlClient;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace CAR_PARK
{
    public partial class carout : Form
    {
        public System.Windows.Forms.Button printButton;
        public Font printFont;
        public StreamReader streamToPrint;
        Form2 _f;
        //string IDIn = "";
        int auto_id = 0;
        DateTime IN, OUT;
        public carout(string data1, string data2, string data3, Form2 f)
        {
            InitializeComponent();
            _f = f;
            label2.Text = data1;
            label5.Text = data2;
            label6.Text = data3;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                this.WindowState = FormWindowState.Maximized;
                timer1.Start();
                timer2.Start();
                timer2.Interval = 60000;
                label10.Text = DateTime.Now.ToString("yyyy/MM/dd");

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

                cn.Open();
                DataSet ds = new DataSet();
                SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM DAILY_LOG_TYPEPAID WHERE ACTIVE = 1", cn);
                da.Fill(ds, "combolist");
                comboBox1.DataSource = ds;
                comboBox1.DisplayMember = "combolist.TYPE_NAME";
                comboBox1.ValueMember = "combolist.TYPE_ID";
                cn.Close();

                //cn.Open();
                //DataSet ds2 = new DataSet();
                //SqlDataAdapter da2 = new SqlDataAdapter("SELECT * FROM DAILY_LOG_ZONE", cn);
                //da2.Fill(ds2, "combolist");
                //comboBox2.DataSource = ds2;
                //comboBox2.DisplayMember = "combolist.ZONE_NAME";
                //comboBox2.ValueMember = "combolist.ZONE_ID";
               // cn.Close();
                Showdata();
                tbCarOutId.Focus();
            }
            catch (Exception)
           {
               MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", "ฐานข้อมูลผิดพลาด", MessageBoxButtons.OK, MessageBoxIcon.Error);
           }
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            timer2.Start();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            label9.Text = DateTime.Now.ToString("HH:mm:ss");
        }

        private string RetrurnDate(string DateStr)
        {
            string DateXResult;
            if (DateStr != "" | DateStr != null)
            {
                System.DateTime convertdate = DateTime.Parse(DateStr);
                System.DateTime convertdateformat = DateTime.Parse(convertdate.ToString("yyyy/MM/dd HH:mm:ss", new System.Globalization.CultureInfo("en-US")));
                DateXResult = convertdateformat.ToString();
                return DateXResult;
            }
            else
            {
                DateXResult = "";
                return DateXResult;
            }
        }

        private void ComboBox1_Selectedvalue(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();
                tbCarOutId.Focus();
            }
            catch (Exception)
            {
                MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", "ฐานข้อมูลผิดพลาด", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void carZoneToolStripMenuItem_Click(object sender, EventArgs e)
        {
            zone f = new zone();
            f.ShowDialog();
            try
            {
                string con = contocarpark.con;
                SqlConnection cn = new SqlConnection(con);
                
                cn.Open();
                DataSet ds = new DataSet();
                SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM DAILY_LOG_TYPEPAID WHERE ACTIVE = 1", cn);
                da.Fill(ds, "combolist");
                comboBox1.DataSource = ds;
                comboBox1.DisplayMember = "combolist.TYPE_NAME";
                comboBox1.ValueMember = "combolist.TYPE_ID";
                cn.Close();

                //cn.Open();
                //DataSet ds2 = new DataSet();
                //SqlDataAdapter da2 = new SqlDataAdapter("SELECT * FROM DAILY_LOG_ZONE", cn);
                //da2.Fill(ds2, "combolist");
                //comboBox2.DataSource = ds2;
                //comboBox2.DisplayMember = "combolist.ZONE_NAME";
                //comboBox2.ValueMember = "combolist.ZONE_ID";
                //cn.Close();
            }
            catch (Exception)
            {
                MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", "ฐานข้อมูลผิดพลาด", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void Showdata()
        {
            string con = contocarpark.con;
            SqlConnection Conn = new SqlConnection(con);

            String Sql = "SELECT QUEUE_NO,VEHICLE_CARNO,CONVERT(CHAR(8),TIME_IN, 114) AS REALTIMEIN FROM DAILY_LOG_PARK WHERE STATUS_CAR = '1' AND ZONE_ID = " + comboBox1.SelectedValue.GetHashCode() + "order by TIME_IN DESC";
            SqlCommand cmd = new SqlCommand(Sql, Conn);
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);
            DataSet data = new DataSet();
            adapter.Fill(data, "showcar");
            //dataGridView1.DataSource = data.Tables["showcar"];
            //setdatagrid();

            int countcar = data.Tables["showcar"].Rows.Count;
            label7.Text = countcar.ToString();
            Conn.Close();

            Conn.Open();
            String Sql2 = "SELECT QUEUE_NO,VEHICLE_CARNO,CONVERT(CHAR(8),TIME_IN, 114) AS REALTIMEIN FROM DAILY_LOG_PARK WHERE STATUS_CAR = '1'";
            SqlCommand cmd2 = new SqlCommand(Sql2, Conn);
            SqlDataAdapter adapter2 = new SqlDataAdapter(cmd2);
            DataSet data2 = new DataSet();
            adapter2.Fill(data2, "showallcar");
            int countallcar = data2.Tables["showallcar"].Rows.Count;
            label25.Text = countallcar.ToString();
            Conn.Close();

            label31.Text = comboBox1.Text;
            Conn.Open();
            String Sql4 = "SELECT ZONE_LIMIT FROM DAILY_LOG_ZONE WHERE ZONE_ID = " + comboBox1.SelectedValue.GetHashCode() + "";
            SqlCommand cmd4 = new SqlCommand(Sql4, Conn);
            SqlDataAdapter adapter4 = new SqlDataAdapter(cmd4);
            DataSet data4 = new DataSet();
            adapter4.Fill(data4, "showzonelimit");

            int countlimit = data4.Tables["showzonelimit"].Rows.Count;
            label12.Text = countlimit.ToString();
            if (label12.Text == "0")
            {
               label12.Text = "0";
            }
            else if (label12.Text != "0")
            {
                label12.Text = data4.Tables["showzonelimit"].Rows[0]["ZONE_LIMIT"].ToString();
            }
            Conn.Close();

            int limitzone = Convert.ToInt32(label12.Text);
            int freecarzone = limitzone - countcar;
            label35.Text = Convert.ToString(freecarzone);

            Conn.Open();
            String Sql5 = "SELECT SUM(ZONE_LIMIT) as allcarlimit FROM DAILY_LOG_ZONE";
            SqlCommand cmd5 = new SqlCommand(Sql5, Conn);
            SqlDataAdapter adapter5 = new SqlDataAdapter(cmd5);
            DataSet data5 = new DataSet();
            adapter5.Fill(data5, "sumzone");
            int countsumlimit = data5.Tables["sumzone"].Rows.Count;
            label33.Text = countsumlimit.ToString();
            if (label33.Text == "0")
            {
                label33.Text = "0";
            }
            else if (label33.Text != "0")
            {
                label33.Text = data5.Tables["sumzone"].Rows[0]["allcarlimit"].ToString();
            }
            Conn.Close();

            int limitall = Convert.ToInt32(label33.Text);
            int freecarall = limitall - countallcar;
            label36.Text = Convert.ToString(freecarall);

        }

        private void tbCarOutId_TextChanged(object sender, EventArgs e)
        {
            if (tbCarOutId.TextLength != 7)
            {
                label29.Text = "";
                label30.Text = "";
                label38.Text = "";
                label40.Text = "";
                label41.Text = "";
                label42.Text = "";
                label43.Text = "";
                //label44.Text = "";
                tbPaid.Clear();
                textBox2.Clear();
                textBox3.Clear();
                SetControlsState(false);
                return;
            }
        }

        private void tbCarOutId_KeyPress(object sender, KeyPressEventArgs e)
        {
            if ((int)e.KeyChar == 13)
            {
                try
                {
                    SqlConnection _SqlConnection = new SqlConnection(contocarpark.con);
                    SqlCommand _SqlCommand = new SqlCommand();
                    SqlDataAdapter _SqlDataAdapter = new SqlDataAdapter();
                    using (_SqlCommand.Connection = _SqlConnection)
                    {
                        _SqlConnection.Open();
                        _SqlCommand.CommandText = "SELECT AUTO_ID FROM DAILY_LOG_PARK WHERE QUEUE_NO = '" + tbCarOutId.Text + "' AND ";
                        _SqlDataAdapter = _SqlCommand.ExecuteReader();

                        if (_SqlDataAdapter.Read())
                        {
                            auto_id = _SqlDataAdapter.GetHashCode();
                            SetControlsState(true);
                        }
                        else
                        {
                            SetControlsState(false);
                            MessageBox.Show("ไม่มีข้อมูลในระบบ", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
                            tbCarOutId.Focus();
                            tbCarOutId.SelectAll();
                            return;
                        }
                        if (!_SqlDataAdapter.IsClosed)
                        {
                            _SqlDataAdapter.Close();
                        }

                        string OutTime = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
                        string InTime = "";

                        _SqlCommand.CommandText = "SELECT DAILY_LOG_PARK.TIME_IN";
                        _SqlCommand.CommandText = "DAILY_LOG_PARK WHERE DAILY_LOG_PAK.AUTO_ID = '" + auto_id + "'";
                        _SqlDataAdapter = _SqlCommand.ExecuteReader();

                        if (_SqlDataAdapter.Read())
                        {
                            InTime = _SqlDataAdapter["TIME_IN"].ToString();
                        }
                        else
                        {
                            return;
                        }
                        if (!_SqlDataAdapter.IsClosed)
                        {
                            _SqlDataAdapter.Close();
                        }

                        IN = Convert.ToDateTime(InTime);
                        IN = Convert.ToDateTime(IN.ToString("dd/MM/yyyy HH:mm:ss", new System.Globalization.CultureInfo("en-US")));
                        label29.Text = IN.ToString("dd/MM/yyyy HH:mm:ss");
                        label30.Text = OUT.ToString("dd/MM/yyyy HH:mm:ss");
                        TimeSpan DateDiff = OUT.Subtract(IN);

                        int hour, min;
                        hour = (DateDiff.Hours + (DateDiff.Days * 24));
                        min = DateDiff.Minutes;

                        label38.Text = hour.ToString();
                        label40.Text = min.ToString();
                        DataSet ds = (DataSet)comboBox1.DataSource;
                        string x = ds.Tables[0].Rows[comboBox1.SelectedIndex][5].ToString();
                        if (x == "0")
                        {
                            min = 0;
                        }
                        CallPrice((hour * 60) + 60);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Message.ex");
                }
                finally
                {

                }
            }
        }
        

        private void CallPrice(int mins)
        {
            if (mins <= 0)
            {
                label41.Text = "0.00";
                tbPaid.Text = "0";
                return;
            }
            try
            {
                SqlConnection _Sqlconnection = new SqlConnection(contocarpark.con);
                SqlCommand _SqlCommand = new SqlCommand();
                using (_SqlCommand.Connection = _Sqlconnection)
                {
                    _Sqlconnection.Open();
                    _SqlCommand.CommandText = "SELECT FREE_HOUR, PRICE_PER_HOUR FROM DAILY_LOG_TYPEPAID WHERE TYPE_ID = @id ";
                    _SqlCommand.Parameters.AddWithValue("id", comboBox1.SelectedValue.ToString());
                    SqlDataAdapter _SqlDataAdapter = _SqlCommand.ExecuteReader();
                    if (_SqlDataAdapter.Read())
                    {
                        int FreeHrs = int.Parse(_SqlDataAdapter["FREE_HOUR"].ToString());
                        double PricePerHr = double.Parse(_SqlDataAdapter["PRICE_PER_HOUR"].ToString());
                        double PricePerMin = PricePerHr / 60;
                        double TotalPrice = (mins - (FreeHrs * 60)) * PricePerMin;
                        label41.Text = TotalPrice <= 0 ? "FREE" : TotalPrice.ToString("0");
                        if (label41.Text == "FREE")
                        {
                            tbPaid.Text = "0";
                        }
                        tbPaid.Focus();
                    }
                }
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
            }
        }

        private void SetControlsState(bool p)
        {
            comboBox1.Enabled = p;
            tbPaid.ReadOnly = !p;
        }

        private void tbPaid_TextChanged(object sender, EventArgs e)
        {
            CallChange();
        }

        private void CallChange()
        {
            if (tbPaid.TextLength == 0)
            {
                label43.Text = "";
                return;
            } 
            double x = 0;
            if (double.TryParse(tbPaid.Text, out x) == true)
            {
                int hrs = 0, mins = 0;
                if (int.TryParse(label38.Text, out hrs))
                {
                }
                if (int.TryParse(label40.Text, out mins))
                {
                }
                if (((hrs * 60) + mins) <= 0)
                {
                    return;
                }
                CallPrice((hrs * 60) + 60);

                double paid = 0, price = 0;
                if (double.TryParse(label41.Text, out price))
                {
                }
                if (double.TryParse(tbPaid.Text, out paid))
                {
                }
                double result = paid - price;
                label43.Text = Convert.ToString(result);
            }
            else
            {
                tbPaid.Text = tbPaid.Text.Substring(0, tbPaid.TextLength -1);
                tbPaid.SelectionStart = tbPaid.TextLength;
            }
        }

        private void label43_TextChanged(object sender, EventArgs e)
        {
            try
            {
                string text1 = label43.Text;
                if (text1.Length > 6 && text1.Length < 8)
                {
                    comboBox1.Focus();
                    tbPaid.Text = "";
                    label43.Text = "";
                }
                else
                {

                }
            }
            catch (Exception)
            {
                MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", " ", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

            private void paidTypeToolStripMenuItem_Click(object sender, EventArgs e)
            {
                Paidtype f = new Paidtype();
                f.ShowDialog();
                try
                {
                    string con = contocarpark.con;
                    SqlConnection cn = new SqlConnection(con);
                    cn.Open();
                    DataSet ds1 = new DataSet();
                    SqlDataAdapter da1 = new SqlDataAdapter("SELECT * FROM DAILY_LOG_TYPEPAID", cn);
                    da1.Fill(ds1, "combolist");
                    comboBox1.DataSource = ds1;
                    comboBox1.DisplayMember = "combolist.TYPE_NAME";
                    comboBox1.ValueMember = "combolist.TYPE_ID";
                    cn.Close();
                }
                catch (Exception)
                {
                    MessageBox.Show("เกิดข้อผิดพลาดติดต่อผู้ดูแลระบบด่วน!", "ฐานข้อมูลผิดพลาด", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }

            private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
            {
                int hrs = 0, mins = 0;
                if (int.TryParse(label38.Text, out hrs))
                {
                }
                if (int.TryParse(label40.Text, out mins))
                {
                }

                DataSet ds = (DataSet)comboBox1.DataSource;
                string s = ds.Tables[0].Rows[comboBox1.SelectedIndex][4].ToString(), x = ds.Tables[0].Rows[comboBox1.SelectedIndex][5].ToString();
                if (x == "0")
                {
                    mins = 0;
                }
                CallPrice((hrs * 60) + mins);
                CallChange();

                label46.Text = ds.Tables[0].Rows[comboBox1.SelectedIndex][2].ToString();
                label47.Text = ds.Tables[0].Rows[comboBox1.SelectedIndex][3].ToString();
                label49.Text = ds.Tables[0].Rows[comboBox1.SelectedIndex][4].ToString();
            }
    }
}

        private void tbCarOutId_KeyPress(object sender, KeyPressEventArgs e)
        {
            if ((int)e.KeyChar == 13)
            {
                try
                {
                    SqlConnection _SqlConnection = new SqlConnection(contocarpark.con);
                    SqlCommand _SqlCommand = new SqlCommand();
                    SqlDataAdapter _SqlDataAdapter = new SqlDataAdapter();
                    using (_SqlCommand.Connection = _SqlConnection)
                    {
                        _SqlConnection.Open();
                        _SqlCommand.CommandText = "SELECT AUTO_ID FROM DAILY_LOG_PARK WHERE QUEUE_NO = '" + tbCarOutId.Text + "' AND ";
                        _SqlDataAdapter = _SqlCommand.ExecuteReader();

                        if (_SqlDataAdapter.Read())
                        {
                            auto_id = _SqlDataAdapter.GetHashCode();
                            SetControlsState(true);
                        }
                        else
                        {
                            SetControlsState(false);
                            MessageBox.Show("ไม่มีข้อมูลในระบบ", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
                            tbCarOutId.Focus();
                            tbCarOutId.SelectAll();
                            return;
                        }
                        if (!_SqlDataAdapter.IsClosed)
                        {
                            _SqlDataAdapter.Close();
                        }

                        string OutTime = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
                        string InTime = "";

                        _SqlCommand.CommandText = "SELECT DAILY_LOG_PARK.TIME_IN";
                        _SqlCommand.CommandText = "DAILY_LOG_PARK WHERE DAILY_LOG_PAK.AUTO_ID = '" + auto_id + "'";
                        _SqlDataAdapter = _SqlCommand.ExecuteReader();

                        if (_SqlDataAdapter.Read())
                        {
                            InTime = _SqlDataAdapter["TIME_IN"].ToString();
                        }
                        else
                        {
                            return;
                        }
                        if (!_SqlDataAdapter.IsClosed)
                        {
                            _SqlDataAdapter.Close();
                        }

                        IN = Convert.ToDateTime(InTime);
                        IN = Convert.ToDateTime(IN.ToString("dd/MM/yyyy HH:mm:ss", new System.Globalization.CultureInfo("en-US")));
                        label29.Text = IN.ToString("dd/MM/yyyy HH:mm:ss");
                        label30.Text = OUT.ToString("dd/MM/yyyy HH:mm:ss");
                        TimeSpan DateDiff = OUT.Subtract(IN);

                        int hour, min;
                        hour = (DateDiff.Hours + (DateDiff.Days * 24));
                        min = DateDiff.Minutes;

                        label38.Text = hour.ToString();
                        label40.Text = min.ToString();
                        DataSet ds = (DataSet)comboBox1.DataSource;
                        string x = ds.Tables[0].Rows[comboBox1.SelectedIndex][5].ToString();
                        if (x == "0")
                        {
                            min = 0;
                        }
                        CallPrice((hour * 60) + 60);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Message.ex");
                }
                finally
                {

                }
            }
        }

_SqlCommand.CommandText = "SELECT DAILY_LOG_PARK.TIME_IN from";
_SqlCommand.CommandText = "DAILY_LOG_PARK WHERE DAILY_LOG_PAK.AUTO_ID = '" + auto_id + "'";