private void SetBookInfo(Model.ProductDao.BookDetails book)
 {
     lclNameValue.Text     = book.name;
     lclCategoryValue.Text = book.category;
     lclTitleValue.Text    = book.title;
     lclAuthorValue.Text   = book.author;
     lclSummaryValue.Text  = book.summary;
     lclTopicValue.Text    = book.topic;
     lclPagesValue.Text    = book.pages.ToString();
 }
        protected void Page_Load(object sender, EventArgs e)
        {
            Int32 productId = Convert.ToInt32(Request.Params.Get("productId"));

            Model.ProductDao.ProductDetails product = SessionManager.ProductService.FindProduct(productId);
            if (product is Model.ProductDao.BookDetails)
            {
                Model.ProductDao.BookDetails book = product as Model.ProductDao.BookDetails;
                SetBookInfo(book);
            }
        }