protected override void OnPreRenderComplete(EventArgs e)
        {
            base.OnPreRenderComplete(e);

            long size     = ContainerManager.CalculateContainerSize(FileList2.ContainerName);
            long sizeInKB = size / 1024;
            long sizeInMB = sizeInKB / 1024;

            if (sizeInMB > 1)
            {
                ContainerLengthLabel.Text = string.Format(CultureInfo.CurrentCulture, "{0:N0} MB", sizeInMB);
            }
            else
            {
                ContainerLengthLabel.Text = string.Format(CultureInfo.CurrentCulture, "{0:N0} KB", sizeInKB);
            }
        }