I have two (for the question, similar) pages. Both contain two listboxes and some other controls. When a user double clicks an item in the 'first' listbox, it's copied to the second one one. If the user double clicks in the 'second' one, it is / should be
removed from the 'second' one.
This approach works in the page below.
<%@ Page Title="Decoder Selection" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="DecoderSelection.aspx.cs" Inherits="CodeDownloadDashboard3.DecoderSelection" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HtmlHead" runat="server">
<script type ="text/javascript">
function dbl(ctl) { __doPostBack(ctl, ""); }
</script>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="TopBar&qu ...
Go to the complete details ...