protected void btnSaveImage_Click(object sender, EventArgs e) 
    {
        var productManager = new ProductManager(this);

        if (fupProductImage.FileName != null)
        {
            productManager.InsertProductImage(Company,
                                              new ProductImage
                                              {
                                                  ProductId = productId,
                                                  Description = txtDescription.Text
                                              },
                                              fupProductImage.PostedFile);
            lstProductImages.DataBind();
            txtDescription.Text = String.Empty;
        }
    }