Atlas Update Panel Problem

Discussion in 'ASP .Net Web Controls' started by Kürþat, Aug 1, 2006.

  1. Kürþat

    Kürþat Guest

    Hi,

    I use Atlas Update Panel in an ASP.NET application. I have a control (Chart)
    on update panel and I update this control every time a user select a value
    from a dropdown list. So I set trigger attribute of panel as
    OnSelectedIndexChanged event of dropdownlist. When I select an item from
    dropdown "Object refence is not set to an Object instance" error occurs. I
    try same thing with Button, it works. What should I do?

    Thanks in advance.
     
    Kürþat, Aug 1, 2006
    #1
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