สอบถามการออก รายงานแสดงผลรูปภาพหน่อยครับ Crystal Report

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using CrystalDecisions.CrystalReports.Engine;

namespace ProgramDemoHR
{
    public partial class Reportcard : DevExpress.XtraEditors.XtraForm
    {
        DataTable dt = new DataTable();
        public Reportcard()
        {
            InitializeComponent();
            this.btnadd.Click += new EventHandler(btnadd_Click);
            ShowreportCard1();
        }

        private void btnadd_Click(object sender, EventArgs e)
        {
            string str = "";
            for (int i = 0; i < gridView1.RowCount; i++)
            {
                //Console.WriteLine(gridView1.GetRowCellValue(i, "chk"));
                if (Convert.ToBoolean(gridView1.GetRowCellValue(i, "chk")) == true)
                {
                    str += gridView1.GetRowCellValue(i, "employee_ID") + ",";
                }

            }
            if (str != "")
            {
                str = str.Substring(0, str.Length - 1);
                ShowReportCard(str);
            }
        }

        private void ShowreportCard1()
        {
            DataTable dt = new DataTable();
            string sql = "SELECT cast(0 as bit) As chk,employee.Emp_ID, employee.employee_ID, employee.nameth, employee.startday,dept.dept_name, position.pos_nameth, position.pos_nameeng, party.party_name, employee.pic  FROM tbl_Employee AS employee INNER JOIN tbl_Position AS position ON employee.position_ID = position.position_ID INNER JOIN tbl_Party AS party ON employee.party_ID = party.party_ID INNER JOIN tbl_Department AS dept ON employee.dept_ID = dept.dept_ID WHERE employee.statusemp_ID = '1' AND employee.employee_ID LIKE '1%'";
            dt = connect_db.SelectData(sql);
            dgvmaincardcode1.DataSource = dt;
        }


        private void ShowReportCard(string id)
        {
            DataTable dt = new DataTable();
            string sql = "SELECT employee.Emp_ID, employee.employee_ID, employee.nameth, employee.startday, position.pos_nameth, dept.dept_name, position.pos_nameeng, party.party_name, employee.pic  FROM tbl_Employee AS employee INNER JOIN tbl_Position AS position ON employee.position_ID = position.position_ID INNER JOIN tbl_Party AS party ON employee.party_ID = party.party_ID INNER JOIN tbl_Department AS dept ON employee.dept_ID = dept.dept_ID WHERE  employee.Employee_ID In (" + id + ")  AND  employee.statusemp_ID = '1' AND employee.employee_ID LIKE '1%'";
            dt = connect_db.SelectData(sql);

            dt.Columns.Add("picImg", System.Type.GetType("System.Byte[]"));
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                //Console.WriteLine(("\\192.168.0.8\pic\"+dt.Rows[i]["pic"].ToString()));
                dt.Rows[i]["picImg"] = setImageToDatatable(@"\\127.0.0.1\pic\" + dt.Rows[i]["pic"]);
            }

            viewreport rptf = new viewreport();
            CrystalReport2 rpt = new CrystalReport2();
            rpt.SetDataSource(dt);
            rptf.crv.ReportSource = rpt;
            rptf.Show();
        }

        private Byte[] setImageToDatatable(string URL)
        {
            Byte[] buffer;
            Byte[] pic;
            buffer = System.IO.File.ReadAllBytes(URL);
            System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
            System.IO.BinaryReader binReader = new System.IO.BinaryReader(stream);
            pic = binReader.ReadBytes((int)stream.Length);

            return pic;
        }
    }
}