protected void productSubmitButton_Click(object sender, EventArgs e)
 {
     if (uploadProductPhoto.PostedFile != null)
     {
         SaveProductPhoto();
         ShoppingCart sc = new ShoppingCart()
         {
             ProductName        = productName.Text,
             ProductImage       = "~/ProductImages/" + uploadProductPhoto.FileName,
             ProductPrice       = productPrice.Text,
             ProductDescription = productDescription.Text,
             CategoryID         = Convert.ToInt32(ddlCategory.SelectedValue)
         };
         sc.AddNewProducts();
         ClearText();
     }
 }