private void button4_Click(object sender, EventArgs e)
        {
            FRM_PREVIEW frm = new FRM_PREVIEW();

            byte[]       image = (byte[])prd.GET_IMAGE_PRODUCT(this.dataGridView1.CurrentRow.Cells[0].Value.ToString()).Rows[0][0];
            MemoryStream ms    = new MemoryStream(image);

            frm.pictureBox1.Image = Image.FromStream(ms);
            frm.ShowDialog();
        }
 private void button4_Click(object sender, EventArgs e)
 {
     FRM_PREVIEW frm = new FRM_PREVIEW();
     byte[] Img = (byte[])prd.GET_IMAGE_PRODUCT(this.dataGridView1.CurrentRow.Cells[0].Value.ToString()).Rows[0][0];
     MemoryStream ms = new MemoryStream(Img);
     frm.pictureBox1.Image = Image.FromStream(ms);
     frm.ShowDialog();
 }