No record is created

Hi,
I am to save one record to an Access table in one Console application having this

using System;
using System.IO;
...
namespace File_upload
{
    class Program
    {
        static byte[] ImageToStream(string fileName)
        {
            Bitmap image = new Bitmap(fileName);            ...
        }

        static void Main(string[] args)
        {
            OleDbConnection conn = null;
            string fl_nm;
            OleDbCommand cmd;
            ...
            {
                fl_nm = "z:\\ID-10033196.jpg";

                cmd = new OleDbCommand("insert into prt_display (mod_name,photo_file) values ('Search_Auto',@image)", conn);
                cmd.Parameters.Add("@image", OleDbType.Binary).Value = ImageToStream(fl_nm);
                if (cmd.ExecuteNonQuery() >= 1)
                {
                    Console.WriteLine("Record with the image has been saved.");

                }
                else
                    Console.WriteLine("Record is not Saved.");
            }
            catch (SqlException ex)
            {
                Console.WriteLine("ex 1 ");
            }
            catch (Exception ex)
            {
                Console.WriteLine("ex 2 ");
            }
            finally
            {
                conn.Close();
            }
        }
    }
}

but when running the project. I get no message and no record has been created. why?

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Many Thanks & Best Regards, Hua Min