Error“ Parameter is not valid ” while converting Bytes into Image

Question

I am converting bytes into an image but I get an error

Parameter is not valid

I am pasting my code. Kindly check the code and

Answer 1

cmd.CommandText="SELECT * FROM `form_backimg` WHERE ACTIVE=1";

MySqlDataReader reader6= cmd.ExecuteReader();

if(reader6.Read())
{
   code4 = (byte[])reader6["BACK_IMG"];   //BLOB FIELD NAME BACK_IMG
}
reader6.Close();

MemoryStream stream = new MemoryStream(code4);   //code4 is a public byte[] defined on top                             
pictureBox3.Image = Image.FromStream(stream);