SelectionMode="Multiple" and OnSelectedIndexChanged

[Ty]

Hi,

    <asp:ListBox ID="m_UIlbTest" runat="server" SelectionMode="Multiple" OnSelectedIndexChanged="m_UIlbTest_SelectedIndexChanged" AutoPostBack="true">
        <asp:ListItem Text="1" />
        <asp:ListItem Text="2" />
        <asp:ListItem Text="3" />
    </asp:ListBox>

    <telerik:RadListBox ID="m_UIrlbTest" runat="server" SelectionMode="Multiple" OnSelectedIndexChanged="m_UIlbBranches_SelectedIndexChanged" AutoPostBack="true">
        <Items>
            <telerik:RadListBoxItem Text="1" />
            <telerik:RadListBoxItem Text="2" />
            <telerik:RadListBoxItem Text="3" />
        </Items>
    </telerik:RadListBox>

If I have all three items selected in ASP's ListBox and I hold down Ctrl and click on one item to unselect it (leaving two items still selected), the event handler  m_UIlbTest_SelectedIndexChanged is being hit.  The same does not hold true for telerik's ListBox.  Is there anything I can do to change this?

[Genady Sergeev]

Hello Ty,

Unfortunately this happened to be a bug in the RadListBox. The fix is going to be available forth will be available in the tomorrow's internal build. I have updated your Telerik points for the bug report.

All the best,
Genady Sergeev
the Telerik team

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[Neil]

I just updated to the 8/26 build to get the fix for this bug but the bug is still there. When I use CTRL+Click to select multiple items I get the SelectedIndexChanged event but when I release the CTRL and just click on one item (that was previously selected) the event does not fire.

[Genady Sergeev]

Hi Neil,

I am unable to reproduce the issue with the 8/26 build, attached is the sample project as well as a video that I have recorded. Can you confirm that you can reproduce the fault on the sample? Perhaps I am doing something wrong.

video: here.

Regards,
Genady Sergeev
the Telerik team

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[Neil]

Sorry it took me a few days to get back. I do see the behavior working correctly in your sample. I don't have declared items up front and I populate the list dynamically (not on page load necessarily) in an ajax context. So what may be happening is the event is getting lost on page load in the partial update.

[Genady Sergeev]

Hello Neil,

Please, excuse us for the late answer.

I didn't manage to reproduce the issue even when I wrapped the RadListBox inside an AJAX panel. Perhaps I am missing something. Do you have any working sample where the issue can be easily reproduced? This will allow us to track and fix the problem.

Greetings,
Genady Sergeev
the Telerik team

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