Within the ASP.NET Framework 4, it is necessary to enable the Listbox control to trigger an event when a user double

Currently, I am developing a project in ASP.NET 4. I have encountered a situation where the regular ListBox in version 4.5 includes an attribute named OnMouseDoubleClick. However, since I am using ASP.Net 4, I am looking for the best approach to replicate this feature with an asp:ListBox.

Answer №1

I found a helpful link that assisted me with adding a Double Click mouse event to a listbox in C#.net and then rewrote the code in VB.net.

Here is the code snippet for the .aspx file:

<asp:ListBox ID="hiddenColumns" runat="server" ondblclick="hiddenColumns_DoubleClick()"></asp:ListBox>
<script type="text/javascript">
    function hiddenColumns_DoubleClick() {
        document.forms[0].hiddenHidden.value = "doubleclicked"
        document.forms[0].submit()
    }
</script>
<input type="hidden" name="hiddenHidden" />

And here is the code snippet for the .aspx.vb file:

If Not Request.Params("hiddenHidden") Is Nothing And Request.Params("hiddenHidden") = "doubleclicked" Then
    'Desired actions here
End If

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