Changlng visiblity on controls within RadPanelBar

[Tonyz289]

I am trying to hide/unhide an asp:Panel contained with a RadPanelBar. It works the initial page display (Page.Load)  but when I try to change the visiblity of the asp:Panel once the screen is displayed nothing happens.

<telerik:RadPanelBar ID="pnlBar" EnableEmbeddedSkins="False" Skin="Panel_AssetDetails"
    runat="server" AllowCollapseAllItems="false" ExpandMode="MultipleExpandedItems"
    Width="516px">
    <Items>
        <telerik:RadPanelItem runat="server" Text="Asset Details" Expanded="true">
            <Items>
                <telerik:RadPanelItem Value="AssetDetails" runat="server">
                    <ItemTemplate>
                        <table border="0">
                            <tr>
                                <td>
                                    <b>File Size</b>
                                </td>
                                <td>
                                    <asp:Label ID="lblFileSize" runat="server" Text=""></asp:Label>
                                </td>
                            </tr>
                            <asp:Panel ID="ImagePanel4" runat="server" Visible="true">
                                <tr>
                                    <td>
                                        <b>Resolution</b>
                                    </td>
                                    <td>
                                        <asp:Label ID="lblResolution" runat="server" Text=""></asp:Label>
                                    </td>
                                </tr>
                            </asp:Panel>
                            <tr>
                                <td>
                                    <b>Height</b>
                                </td>
                                <td>
                                    <asp:Label ID="lblHeight" runat="server" Text=""></asp:Label>
                                </td>
                            </tr>
                        </table>
                    </ItemTemplate>
                </telerik:RadPanelItem>
            </Items>
        </telerik:RadPanelItem>
    </Items>
</telerik:RadPanelBar>

if (asset.assetType == (int)AssetTypes.Image)
{
    ((Panel)(pnlBar.FindItemByValue ("AssetDetails").FindControl ("ImagePanel4"))).Visible = true;
}
else if (asset.assetType == (int)AssetTypes.Document)
{
    ((Panel)(pnlBar.FindItemByValue ("AssetDetails").FindControl ("ImagePanel4"))).Visible = false;
}

[Nikolay Tsenkov]

Hello Tony,

 I am not able to reproduce the problem you experience.

I am using a regular asp:Button and I handle the click event as follows:

protected void Button1_Click(object sender, EventArgs e)
{
    var panel = ((Panel)(pnlBar.FindItemByValue("AssetDetails").FindControl("ImagePanel4")));
    panel.Visible = !panel.Visible;
}

Regards,
Nikolay Tsenkov
the Telerik team