protected void Add_Click(object sender, EventArgs e)
{
if (productImg.HasFile) //判断是否存在文件
{
string filename = productImg.FileName;
string uppath = Server.
protected void Add_Click(object sender, EventArgs e)
{
if (productImg.HasFile) //判断是否存在文件
{
string filename = productImg.FileName;
string uppath = Server.