protected void gvAudios_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int       productAudioId = (int)gvAudios.DataKeys[e.RowIndex]["AudioId"];
            AudioBiz  audioBiz       = new AudioBiz();
            lwg_Audio audio          = audioBiz.GetAudioById(productAudioId);

            if (audio != null)
            {
                audioBiz.DeleteCatalogAudio(productAudioId);
                LWGUtils.ClearOldFile(string.Format("{0}{1}", LWGUtils.GetSoundPath(), audio.SoundFile));
                BindData();
            }
        }
        protected void gvAudios_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "UpdateProductAudio")
            {
                int            index = Convert.ToInt32(e.CommandArgument);
                GridViewRow    row   = gvAudios.Rows[index];
                NumericTextBox txtProductVideoDisplayOrder = row.FindControl("txtProductAudioDisplayOrder") as NumericTextBox;
                HiddenField    hfProductAudioId            = row.FindControl("hdAudioId") as HiddenField;

                int       displayOrder   = txtProductVideoDisplayOrder.Value;
                int       productAudioId = int.Parse(hfProductAudioId.Value);
                AudioBiz  audioBiz       = new AudioBiz();
                lwg_Audio audio          = audioBiz.GetAudioById(productAudioId);
                if (audio != null)
                {
                    audio.DisplayOrder = displayOrder;
                    audioBiz.UpdateCatalogAudio(audio);
                }

                BindData();
            }
        }