Jan,

Try setting a breakpoint right after you retrieve the data from the Session object. See if the DataSet is populated. Do you have cookies turned on for your browser??

>Hi Cathy,
>
>More info...I'm guessing the problem has to do with persistence?
>
>I did a little test, and found that if I add a line of code in the Click event to execute GetOrderObj.GetOrderByOrderID() filling it in with a hard-code paramenter, then it seems to work. Obviously not the correct approach though.
>
>In the Page_Load event on page 337, I did verify that the following line is intact:
>Session("OrderDataSet") = dsOrder
>
>And in the Click event on page 339, the following command is there:
>Dim dsOrders As DataSet = CType(Session("OrderDataSet"), DataSet)
>
>It sure seems as if this information is not being transferred correctly, however.