Hello,

I use Panel controls to navigate through a process within the same page. I had a back button that changes the display (or in some instances navigate to another page via Page.Response.Redirect()). However, when I click the button. I get a javascript error:

'undefined is null or not an object'

Any ideas?

Brian

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Brian

What does the source for the button you are clicking look like?

<asp:Panel id="pnlMessage" runat="server">

    <asp:LinkButton id="lnkMsgBack" runat="server">Back</asp:LinkButton>
</asp:Panel>

I had one event handler handle three "back" LinkButtons; however, just recently I set CausesValidation = False, and now it works. I did have form validation in one of the panels, and that must of been the problem.

Thanks,

Brian