protected void bAddNewMessage_Click(object sender, ImageClickEventArgs e)
    {
        if (tbNewMessage.Text.Trim().Length > 0 && FeedbackID > 0)
        {
            string l_strMessage = tbNewMessage.Text.Trim();

            FeedbacksData dalc = new FeedbacksData();
            try
            {
                dalc.StartTransaction();
                dalc.AddUpdateFeedbackMessage(null, FeedbackID, l_strMessage, true, DateTime.Now);
                dalc.Commit();
            }
            catch
            {
                dalc.Rollback();
                throw;
            }
            finally
            {
                dalc.Dispose();
            }
            tbNewMessage.Text = "";
            LoadFeedbackMessages();
        }
    }