Accordeon control

The accordeon control is part of the Ajax control toolkit and offers a series of tab-like sections, of which one is expanded at a time. Below is a minimal use sample of how to deploy the control. The ajax control toolkit can easily be installed from the NUGET menu within visual studio.

Markup

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Accordion.aspx.cs" Inherits="AjaxToy.Accordion" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <link href="d/css/AjaxControlToolkit.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <a href="Default.aspx">Home</a><hr />
            <ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server"></ajaxToolkit:ToolkitScriptManager>
            <ajaxToolkit:Accordion ID="Accordion1" runat="server" BorderColor="Silver"
                HeaderCssClass="accordionHeader"
                HeaderSelectedCssClass="accordionHeaderSelected"
                ContentCssClass="accordionContent"
                FramesPerSecond="30" Height="175px" TransitionDuration="250" Width="300px">
                <Panes>
                    <ajaxToolkit:AccordionPane ID="AccordionPane1" runat="server" ContentCssClass="" HeaderCssClass="" 
                        BackColor="Blue" BorderStyle="Dotted">
                        <Header>
                   Page 1 header
               </Header>
                        <Content>
                            Lorem Ipsum is slechts een proeftekst uit het drukkerij- en zetterijwezen....
                        </Content>
                    </ajaxToolkit:AccordionPane>
                    <ajaxToolkit:AccordionPane ID="AccordionPane2" runat="server" ContentCssClass="" HeaderCssClass="" 
                        BackColor="#009933" BorderStyle="Dotted">
                        <Header>
                   Page 2 header
               </Header>
                        <Content>
                            Lorem Ipsum is slechts een proeftekst uit het drukkerij- en zetterijwezen....
                        </Content>
                    </ajaxToolkit:AccordionPane>
                    <ajaxToolkit:AccordionPane ID="AccordionPane3" runat="server" ContentCssClass="" HeaderCssClass="" 
                        BackColor="#FF9900" BorderStyle="Dotted">
                        <Header>
                    Page 3 header
                </Header>
                        <Content>
                            Lorem Ipsum is slechts een proeftekst uit het drukkerij- en zetterijwezen....
                        </Content>
                    </ajaxToolkit:AccordionPane>
                </Panes>
            </ajaxToolkit:Accordion>
        </div>
    </form>
</body>
</html>

CSS

/* Accordion */

.accordionHeader {
    background-color: #2E4d7B;
    border: 1px solid #2F4F4F;
    color: white;
    cursor: pointer;
    font-family: Arial, Sans-Serif;
    font-size: 12px;
    font-weight: bold;
    margin-top: 5px;
    padding: 5px;
}

.accordionHeaderSelected {
    background-color: #5078B3;
    border: 1px solid #2F4F4F;
    color: white;
    cursor: pointer;
    font-family: Arial, Sans-Serif;
    font-size: 12px;
    font-weight: bold;
    margin-top: 5px;
    padding: 5px;
}

.accordionContent {
    background-color: #D3DEEF;
    border: 1px dashed #2F4F4F;
    border-top: none;
    padding: 5px;
    padding-top: 10px;
}