Hi, I have modify the code and found that the code on page 501 have "Input String was not a correct format" error when running the shopping cart page.:(

below is the code in red color, my datbase Product table price field is money which same as book sample.



Partial Class ShopItem
    Inherits System.Web.UI.Page

    Protected Sub btnAddToCart_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles btnAddToCart.Click

        Dim Price As Double = Double.Parse(CType(DataList1.Controls(0).FindContr ol("PriceLabel"), Label).Text)
        Dim ProductName As String = CType(DataList1.Controls(0).FindControl("NameLabel "), Label).Text
        Dim Imagelink As String = CType(DataList1.Controls(0).FindControl("Imagelink "), Label).Text
        Dim ProductID As Integer = CInt(Request.QueryString("ProductID"))

        ' create the cart if it doesn't already exist
        If Profile.Cart Is Nothing Then
            Profile.Cart = New SW.Commerce.SWShoppingCart()
        End If

        ' insert the item
        ' if the item already exists in the cart, 1 will be added to the quantity

        Profile.Cart.Insert(ProductID, Price, 1, ProductName, Imagelink)

        ' return back to the main shop page
        Server.Transfer("default.aspx")
    End Sub
End Class