C# image manipulation from mysql database

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C#

MySQL

I want to store the image into the mysql database from C# in windows application.I already do that but after store it's shows into datagridview and i want to fill again the picturebox from the image on using doubleclick event.It makes the file in debug folder and when i double click on same data it shows the error message. How i do it perfectly somebody help me?
This is my code:

private void dataGridView1_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            DataGridViewCellCollection dr = dataGridView1.CurrentRow.Cells;
            
            string admno = dr[1].Value.ToString();
            savedImageName = dr[1].Value.ToString();
            string []filepath = Directory.GetFiles("C:\\Users\\Awids1\\Documents\\Visual Studio 2008\\Projects\\School Management\\School Management\\bin\\Debug\\"+admno+"");
            if (filepath != null)
            {
                
                    File.Delete(filepath[0]);
            }

            txtAdmissionNo.Text = dr[1].Value.ToString();
            dateTimePicker1.Text = dr[2].Value.ToString();
            txtstudentname.Text = dr[3].Value.ToString();
            txtage.Text = dr[4].Value.ToString();
            string gend = dr[5].Value.ToString();
            if (gend == "Male")
            {
                radioButton1.Checked = true;

            }
            else
            {
                radioButton2.Checked = true;
            }
            txtfathername.Text = dr[6].Value.ToString();
            txtmothername.Text = dr[7].Value.ToString();
            txtguardianname.Text = dr[8].Value.ToString();
            txtpresentaddress.Text = dr[9].Value.ToString();
            txtpermanentadd.Text = dr[10].Value.ToString();
            txtfatherContact.Text = dr[11].Value.ToString();
            txtguardiancontact.Text = dr[12].Value.ToString();
            tabPage1.Show();
            

            MySqlCommand cmd = new MySqlCommand("Select Class,Roll_No,Batch_No,Session_No,Address,Photo from Student_Identification where Addmission_No='"+admno+"'",Connection.Connect_Main());
            MySqlDataReader drw = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
            while (drw.Read())
            {
                txtsidclass.Text = drw.GetString(0);
                txtsidrollno.Text = drw.GetString(1);
                txtsidbatchno.Text = drw.GetString(2);
                txtsidsession.Text = drw.GetString(3);
                txtsidadd.Text = drw.GetString(4);
                FileStream file;
                BinaryWriter bw;
                int bufferSize = 100;
                byte[] outbyte = new byte[bufferSize];
                long retval;
                long startIndex = 0;
                
                file = new FileStream(savedImageName,FileMode.OpenOrCreate,FileAccess.Write);
                bw = new BinaryWriter(file);
                startIndex = 0;
                retval = drw.GetBytes(5,startIndex,outbyte,0,bufferSize);
                while (retval == bufferSize)
                {
                    bw.Write(outbyte);
                    bw.Flush();
                    startIndex += bufferSize;
                    retval = drw.GetBytes(5, startIndex, outbyte, 0, bufferSize);
                }
                bw.Write(outbyte, 0, (int)retval - 1);
                bw.Flush();
                bw.Close();
                file.Close();
                

            }
            curImage = Image.FromFile(savedImageName);
            pictureBox1.Image = curImage;
            pictureBox1.Invalidate();
        }