private void dropdownlistAmnt_SelectdIndxChang(object sender, EventArgs e)
{
//id of item that has quantity changed in ddl list
DropDownList quantityList = (DropDownList)sender;
int cartId = Convert.ToInt32(quantityList.ID);
int cartquantity = Convert.ToInt32(quantityList.SelectedValue);
//Update purchase with new quantity and refresh page
Cart_Model updatecart = new Cart_Model();
updatecart.UpdateCartQuantity(cartId, cartquantity);
Response.Redirect("~/Pages/Trolley.aspx");
}
