How to hide & show Panels on button click using javascript or jQuery

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I have following code is running perfect. but when i use master page its not working. So help me. How i use this code in master page. Means i have .aspx page for which i am using master page that time this code is not running.

ASP.NET

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head  runat="server">
    <title></title>
    <script type='text/javascript' src='http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js'>
    </script>
<script type="text/javascript">
         $(function () {
             $("#btn1").click(function (evt) {
                 evt.preventDefault();
                 $('#panel1').slideUp('slow');
                 $('#panel2').slideDown('slow');
             });
             $("#Button1").click(function (evt) {
                 evt.preventDefault();
                 $('#panel2').slideUp('slow');
                 $('#panel1').slideDown('slow');
             });
         });
</script>
</head>
<body>
    <form id="form1"  runat="server">
    <div>
        <asp:Panel runat="server" ID="panel1" Style="visibility: visible;">
            <h2>
                This is panel 1</h2>
          
             <input type="button" id="btn1" value="Change Password" />
        </asp:Panel>
        <asp:Panel ID="panel2" runat="server" Style="display: none;">
            <h2>
                This is panel 2.</h2>
          
            <input type="button" id="Button1" value="Cancel" />
        </asp:Panel>
    </div>
    </form>
</body>
</html>

Posted 17-Jun-15 8:24am

MAK09

Updated 17-Jun-15 9:04am

v2

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ZurdoDev · Accepted Answer · 2015-06-17T09:16:00

Your controls get a different ID client side when using a master page. Just view source and you can see what the client IDs are.

You can also set your client ids in JavaScript by using this syntax:

C#

<![CDATA[<%= uploadResult.ClientID %>]]>

Or you can build it all through C#. I suggest using the first option.