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DataBound PanelBar Won't Expand

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PanelBar
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Josh McCullough
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Josh McCullough asked on 02 Jul 2010, 02:14 AM
I've read the issue here: http://www.telerik.com/help/aspnet-ajax/panelbar-troubleshooting-root-items-collapse.html but I still can't get the root items to expand.

My ASPX:
    <Telerik:RadPanelBar ID="panelBar" runat="server" Width="100%" ExpandMode="MultipleExpandedItems">  
        <Items> 
            <Telerik:RadPanelItem> 
                <Items> 
                    <Telerik:RadPanelItem> 
                        <ItemTemplate> 
                            <%# Eval("ShortDefinition") %> 
                        </ItemTemplate> 
                    </Telerik:RadPanelItem> 
                </Items> 
            </Telerik:RadPanelItem> 
        </Items> 
        <DataBindings> 
            <Telerik:RadPanelItemBinding TextField="Label" Expanded="false" /> 
        </DataBindings> 
    </Telerik:RadPanelBar> 

My Code Behind:
namespace MyNamespace  
{  
    public partial class MyPage : System.Web.UI.Page  
    {  
        protected void Page_Load(object sender, EventArgs e)  
        {  
            panelBar.DataSource = new[]  
            {  
                new { Label="One", ShortDefinition="This is #1." },  
                new { Label="Two", ShortDefinition="This is #2." },  
                new { Label="Three", ShortDefinition="This is #3." },  
                new { Label="Four", ShortDefinition="This is #4." },  
                new { Label="Five", ShortDefinition="This is #5." }  
            };  
            panelBar.DataBind();  
        }  
    }  

This produces a list of PanelItems (One, Two, etc.) but they are not expandable and there is no content.

Thanks!

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Yana
Telerik team
answered on 05 Jul 2010, 03:24 PM
Hi Josh McCullough,

You cannot set templates like this,  because you also create declaratively items which are lost after the panelbar is databound. I've attached a modified version of your code to demonstrate how to achieve the needed approach. If you need a more complicated template, you should create it in the code behind.
Please try the attached file and let us know what you think.

Greetings,
Yana
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Josh McCullough
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answered on 05 Jul 2010, 05:03 PM
Thanks for posting a possible solution, However, in my case the contents will be much more complex so this won't work for me. Your solution of just adding the controls via code-behind doesn't feel right, either. I wish there was a better way to do what I need to do - but I just ended up writing a simple CollapsiblePanel control to use instead of the PanelBar in this case.

Thanks.
0
Yana
Telerik team
answered on 08 Jul 2010, 12:23 PM
Hello Josh ,

I'm sorry that the panelbar didn't meet your requirements.

RadPanelBar will provide a new content template from Q2 2010 release. It will be available next week, so you can check it out.

Best regards,
Yana
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Josh McCullough
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answered on 08 Jul 2010, 01:37 PM
I look forward to checking it out, thank you!
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Yana
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Josh McCullough
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