protected void Button2_Click1(object sender, EventArgs e)
        {
            Button b = sender as Button;

            d.removeProduct(int.Parse(b.CommandArgument), Session["UserAccount"].ToString());
            DataBindAllPro(Session["UserAccount"].ToString(), 1);
        }
 /// <summary>
 /// 通过卖家商品的ID,删除商品
 /// </summary>
 /// <param name="productId"></param>
 /// <param name="sellerAccount"></param>
 /// <returns></returns>
 public bool remove(int productId, string sellerAccount)
 {
     return(db.removeProduct(productId, sellerAccount));
 }