Navigate to the initial chosen item in an ASP.NET ListBox

What's the simplest way to automatically scroll an ASP.Net ListBox to the first selected item when SelectionMode is set to "Multiple"?

<asp:ListBox ID="LbSymptomCodesEdit" CausesValidation="true" ValidationGroup="VG_SAVE" Height="100%" Width="100%" runat="server"  SelectionMode="Multiple"></asp:ListBox>

The ListBox is located in the EditItemTemplate of a FormView within an UpdatePanel. While using jQuery is an option, I am looking for an ASP.NET server-side or Ajax solution to achieve this to avoid unnecessary client scripts.

javascriptasp.netvb.netasp.net-ajaxlistbox

Answer №1

It seems unlikely that there is a server-side method to achieve the desired outcome. For instance, features like "MaintainScrollPositionOnPostback" in ASP.Net and the validator's "SetFocusOnError" properties rely on injecting javascript into the page.

If your goal is to scroll to the first selected item, one possible solution could be to create a custom ListBox class that incorporates code to handle this functionality using either native javascript or jQuery.

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