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ASP.Net ListBox Double Click Event in VB.Net

Last Modified: 2015-06-04

I'm trying to create a Double Click event for a ListBox in my project.  I found a solution for this using Javascript and some C# but my project is written in VB.Net.  I was hoping someone could assist me in translating this solution into something in VB.Net.  Here's the basics, I think I need something in my Page_load event I just don't know the syntax.

From Stack Overflow:
No, I'm theres no native ListBox Double click.  You can call __doPostBack yourself in a js-function from ondblclick.
<script type="text/javascript">
     function ListBox1_DoubleClick() {
         __doPostBack('<%= ListBox1.ClientID  %>', 'doubleclick');

<asp:ListBox id="ListBox1" 
        ondblclick="ListBox1_DoubleClick()" runat="server">
    <asp:ListItem Value="1">One</asp:ListItem>
    <asp:ListItem Value="2">Two</asp:ListItem>
    <asp:ListItem Value="3">Three</asp:ListItem>
    <asp:ListItem Value="4">Four</asp:ListItem>

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public void Page_Load(object sender, EventArgs e)
  string parameter = Request["__EVENTARGUMENT"]; // parameter
  // Request["__EVENTTARGET"]; // btnSave

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It's the Code Behind portion I'm having difficulty with, any assistance is greatly appreciated!!!
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