jQuery Accordion Widget

In this post you are going to learn all about jQuery Accordion Widget.

jQuery Accordion Widget is a jQuery based expandable and collapsable content holder that is broken into sections and probably looks like tabs. Look at the animated screen given below:


If you are going to use Accordion Widget, there are some semantic requirements and limitations you need to know:
  • The markup of your accordion container needs pairs of header and its content.
  • If you use different element for the header, don’t forget to specify the header option with appropriate selector. For example, ‘a.header’.
  • If you have any link inside accordion content and you want to use it as header (navigator), then you need to add a class to it for example ‘a.header’.
  • If you want to change the active content programmatic then use ‘activate(Number)’.
  • Accordion is not for multiple sections open at one.

Fundamental Markup of Accordion:

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Exploring jQuery</title>
    <link type="text/css" href="Scripts/css/ui-lightness/jquery-ui-1.8.21.custom.css" rel="stylesheet" />
    <script type="text/javascript" src="Scripts/js/jquery-1.7.2.min.js"></script>
    <script type="text/javascript" src="Scripts/js/jquery-ui-1.8.21.custom.min.js"></script>

    <style type="text/css">
              #draggableDIV { width: 100px; height: 100px; padding: 0.5em; }
          </style>
          <script type="text/javascript">
              $(function () {
                  $("#accordion").accordion();
              });
          </script>
</head>
<body>
    <form id="form1" runat="server">
        <div id="accordion">
                  <h3><a href="#">Section 1</a></h3>
                  <div>
                           <p>
                           I'm from section 1 Body.
                           </p>
                  </div>
                  <h3><a href="#">Section 2</a></h3>
                  <div>
                           <p>
                           I'm from section 2 Body.<br />
                    <a href="#">Go to Section 3</a>
                           </p>
                  </div>
                  <h3><a href="#">Section 3</a></h3>
                  <div>
                           <p>
                           I'm from section 3 Body.
                           </p>
                  </div>
                  <h3><a href="#">Section 4</a></h3>
                  <div>
                           <p>
                           I'm from section 4 Body.
                           </p>
                  </div>
        </div>
    </form>
</body>
</html>

1. To allow all section collapsible, add the following jQuery code:


jQuery Code:

$("#accordion").accordion({ collapsible: true });

2. If you want to update the header text dynamically, use following code:


jQuery Code:

              $(function () {
                  $("#accordion").accordion();
                  var Dtitle = "ITORIAN";
                  $('#firstSection a').text("Visit (" + Dtitle + ")");
              });

HTML Markup:

<div id="accordion">
                  <h3 id="firstSection"><a href="#">Section 1</a></h3>
                  <div>
                           <p>
                           I'm from section 1 Body.
                           </p>
                  </div>
                  ::::::::::::::::::::::::

3. If you want to activate Section 2 when page opens then use following code:


jQuery Code:

              $(function () {
                  $("#accordion").accordion();
                  $('#accordion').accordion('activate', "#activateMe");
              });

HTML Markup:

        <div id="accordion">
                  <h3><a href="#">Section 1</a></h3>
                  <div>
                           <p>
                           I'm from section 1 Body.
                           </p>
                  </div>
                  <h3 id="activateMe"><a href="#">Section 2</a></h3>
                  <div>
                           <p>
                           I'm from section 2 Body.<br />
                    <a href="#">Go to Section 3</a>
                           </p>
                  </div>
                  <h3><a href="#">Section 3</a></h3>

4. If you want to activate last head when page opens then use following code:


jQuery Code:

              $(function () {
                  $("#accordion").accordion();
                  $("#accordion").accordion({ active: "h3:last" });
              });

If you want to learn more about jQuery Accordion Widget then following URLs will help you.

http://docs.jquery.com/UI/Accordion
http://jqueryui.com/demos/accordion/

The same thing you can do with Ajax Control Toolkit, visit here.

I hope you like it. Thanks.

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