AJAX :: Button Is Pressed On The User Control, The Events Are Fired But There Are No Changes In The Page

Aug 3, 2010

I have an update panel on the parent page into which I load and remove a set of user controls.

Now, when a button is pressed on the user control, the events are fired but there are no changes in the page. For example:

Main Page

<update panel 1>

So, if I want to hide panel 1 when btn1 is clicked etc, I simple use code such as panel1.visible = false.

All this gets executed but nothing happens to the page.

<asp:UpdatePanel ChildrenAsTriggers="false" UpdateMode="Conditional" ID="updatePanel"
runat="server" EnableViewState="true">
<asp:AsyncPostBackTrigger ControlID="btnSubmit" EventName="Click" />

However, when I use placeholders instead of update panels in the child controls, I dont face any such problems.

<asp:PlaceHolder ID="placeholderTypeOfInvestor" runat="server">

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