protected void ToggleProductButton_Click(object sender, EventArgs e)
        {
            ProductItem product = Session["Product"] as ProductItem;

            if (product.productIsActive)
            {
                ToggleProduct.CssClass  = "btn btn-dark";
                ToggleProduct.Text      = "Inactive";
                product.productIsActive = false;
            }
            else
            {
                ToggleProduct.CssClass  = "btn btn-dark";
                ToggleProduct.Text      = "Active";
                product.productIsActive = true;
            }

            Session["Product"] = product;

            ProductItem.toggleProductActivity(product.productVendorUID);
        }