private void button1_Click(object sender, EventArgs e)
        {
                        SqlConnection Conn = new SqlConnection("server=192.168.0.231;database=PatPD1;uid=sa;password=nbm");
            SqlDataAdapter da = new SqlDataAdapter("select * from sureboy where picture is not null", Conn);
            DataTable dt = new DataTable();
            da.Fill(dt);
            byte[] bytes =(byte[])dt.Rows[0][7];
            MemoryStream ms = new MemoryStream(bytes);
            Image image = Image.FromStream(ms);
            image.Save(@"C:\Users\s-2188\Desktop\123.jpg");
            System.Diagnostics.Process.Start(@"C:\Users\s-2188\Desktop\123.jpg");
            File.Delete(@"C:\Users\s-2188\Desktop\123.jpg");
        }