public static string GetFilePath(
            this UrlHelper urlHelper,
            CellValue value)
        {
            if (value.AsString.IsNullOrEmpty())
            {
                return null;
            }

            var path = Path.Combine("~/", value.Property.FileOptions.Path, value.AsString).Replace("\\", "/");

            return urlHelper.Content(path);
        }
        public static string GetImageMinPath(
            this UrlHelper urlHelper,
            CellValue value)
        {
            if (value.AsString.IsNullOrEmpty())
            {
                return null;
            }

            var settings = value.Property.FileOptions.Settings.LastOrDefault();
            var path = Path.Combine("~/", value.Property.FileOptions.Path, settings.SubPath, value.AsString).Replace("\\", "/");

            return urlHelper.Content(path);
        }