Regarding Step 17: Adding Items to the Order Detail GridView

This does not work:

In the Page_Load method, change the following code:

Session["dsOrderDetail"] = this.oOrderDetail.GetOrderDetail(this.OrderID);
To this:

if (!IsPostBack)
{
   Session["dsOrderDetail"] = this.oOrderDetail.GetOrderDetail(this.OrderID);
}
else
{
   DataSet dsOrderDetail = (DataSet)Session["dsOrderDetail"];
   this.oOrderDetail.SetCurrentDataSet(dsOrderDetail);
}

This does:

       // To implement adding detail records
        if (!IsPostBack)
        {
            this.oOrderDetail.GetOrderDetail(this.OrderID);
            Session["dsOrderDetail"] = this.oOrderDetail.DataSet;
         }
        else
        {  
            DataSet dsOrderDetail = (DataSet)Session["dsOrderDetail"];
            this.oOrderDetail.SetCurrentDataSet(dsOrderDetail);
        }

Kevin, This does relate somewhat to my post yesterday of 2 lines of code in saving a data session vs. one line. Is there something I may have mis-coded?

Thanks, Ted