query about upload mp3 songs

if (fl.HasFile)
    {
    try
        {
        int version = 0;
        string filename = Path.GetFileName(fl.FileName);
        byte[] filedata = fl.FileBytes;
        string strCon = ConnectionStrings.Download;
        using (SqlConnection con = new SqlConnection(strCon))
            {
            con.Open();
            using (SqlCommand ins = new SqlCommand("INSERT INTO dlContent (fileName, dataContent) " +
                                                   "VALUES (@FN, @DT)", con))
                {
                ins.Parameters.AddWithValue("@FN", filename);
                ins.Parameters.AddWithValue("@DT", filedata);
                ins.ExecuteNonQuery();
                }
            }
        return string.Format("{0} uploaded", filename);
        }
    catch (Exception ex)
        {
        return "The file could not be uploaded. The following error occured: " + ex.Message;
        }
    }
return "Please select a file.";
}