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asp.netjavascriptpanelradiobuttonlist

ASP.net hiding panel using javascript


I have a radioButtonList with 2 items in it. A radiobutton with a "Yes" value and a radionButton with a "No" value.

Below that I have a panel which I want made visible when "Yes" radioButton is selected and hidden when "No" is selected. I had originally implemented this using the AutoPostBack attribute but I want to do it in Javascript so that it doesn't cause a postback. Here's the code. Any help would be greatly appreciated.

<asp:RadioButtonList ID="rbl1" runat="server" onClick="changed(this);" >
<asp:ListItem Value="Yes">Yes</asp:ListItem>
<asp:ListItem Value="No">No</asp:ListItem>

<asp:Panel ID="panel1" runat="server">
<--other controls here -->
</asp:Panel>

function changed(rbl) {
        //not sure what to put in here
    }

Thanks in advance,

Zaps


Solution

  • Here is a quick example I made up:

    <!-- Used grouped radio buttons instead of the RadioButtonList as it is harder to deal with -->
    <asp:RadioButton ID="rbYes" runat="server" Text="Yes" GroupName="YourGroupName" Checked="true" />
    <asp:RadioButton ID="rbNo" runat="server" Text="No" GroupName="YourGroupName" />        
    <br /><br />    
    <!-- Use a div instead of a panel.  Panels are just glorified divs. -->
    <div id="divTest">
        This is a test
    </div>
    
    <script type="text/javascript">
        $(document).ready(function()
        {
            $('#<%= rbYes.ClientID %>').click(function() { $('#divTest').show(); });
            $('#<%= rbNo.ClientID %>').click(function() { $('#divTest').hide(); });
    
        });
    </script>