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In this article I’m going to explain how to use Ajax Accordian control in asp.net.

The Accordian is a web control that allows you to provide multiple panes and display them at a time and only one panes expanded at a time. Accordian control has a templates for header  and content. Also we can add server controls to the Accordian.

 

Accordian properties: 

SelectedIndex - The AccordionPane to be initially visible

HeaderCssClass - Name of the CSS class to use for the headers. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane.

HeaderSelectedCssClass - Name of the CSS class to use for the selected header. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane.

ContentCssClass - Name of the CSS class to use for the content. This can be either applied to the Accordion as a default for all AccordionPanes, or an individual AccordionPane.

FadeTransitions - True to use the fading transition effect, false for standard transitions.

TransitionDuration - Number of milliseconds to animate the transitions

FramesPerSecond - Number of frames per second used in the transition animations

AutoSize - Restrict the growth of the Accordion. The values of the AutoSize enumeration are described above.

RequireOpenedPane - Prevent closing the currently opened pane when its header is clicked (which ensures one pane is always open). The default value is true.

SuppressHeaderPostbacks - Prevent the client-side click handlers of elements inside a header from firing (this is especially useful when you want to include hyperlinks in your headers for accessibility)

Panes - Collection of AccordionPane controls

HeaderTemplate - The Header template contains the markup that should be used for an pane's header when databinding

ContentTemplate - The Content template contains the markup that should be used for a pane's content when databinding

DataSource - The data source to use. DataBind() must be called.

DataSourceID - The ID of the data source to use.

DataMember - The member to bind to when using a DataSourceID

 

 Designer Source Code:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> 

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

<!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>

    <style type="text/css">

        .accordionHeader

        {

            border: 1px solid #2F4F4F;

            color: white;

            background-color: #2E4d7B;

            font-family: Arial, Sans-Serif;

            font-size: 12px;

            font-weight: bold;

            padding: 5px;

            margin-top: 5px;

            cursor: pointer;

        }

        .accordionHeaderSelected

        {           

            border: 1px solid #2F4F4F;

            color: white;

            background-color: #5078B3;

            font-family: Arial, Sans-Serif;

            font-size: 12px;

            font-weight: bold;

            padding: 5px;

            margin-top: 5px;

            cursor: pointer;

        }

        .accordionContent

        {

            background-color: #D3DEEF;

            border: 1px dashed #2F4F4F;

            border-top: none;

            padding: 5px;

            padding-top: 10px;

        }

    </style>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        <asp:ScriptManager ID="ScriptManager1" runat="server">

        </asp:ScriptManager>

        <div style="width:300px">

        <asp:accordion id="MyAccordion" runat="server" selectedindex="0"     headercssclass="accordionHeader"

            headerselectedcssclass="accordionHeaderSelected" contentcssclass="accordionContent"

            fadetransitions="false" framespersecond="40" transitionduration="250" autosize="None"

            requireopenedpane="false" suppressheaderpostbacks="true">

           <Panes>

            <asp:AccordionPane ID="AccordionPane1" runat="server">

                <Header>Heading-1</Header>

                <Content>

                Content-1<br />

                Content-1<br />

                Content-1<br />

                Content-1<br />

                </Content>

            </asp:AccordionPane>

            <asp:AccordionPane ID="AccordionPane2" runat="server">

                <Header>Heading-2</Header>

                <Content>

                Content-2<br />

                Content-2<br />

                Content-2<br />

                Content-2<br />

                </Content>

            </asp:AccordionPane>

            <asp:AccordionPane ID="AccordionPane3" runat="server">

                <Header>Heading-3</Header>

                <Content>

                Content-3<br />

                Content-3<br />

                Content-3<br />

                Content-3<br />

                </Content>

            </asp:AccordionPane>          

            <asp:AccordionPane ID="AccordionPane4" runat="server">

                <Header>Heading-3</Header>

                <Content>

                Content-4<br />

                Content-4<br />

                Content-4<br />

                Content-4<br />

                </Content>

            </asp:AccordionPane>          

            </Panes>

        </asp:accordion>

        </div>

    </div>

    </form>

</body>

</html>

 


View demo Download
http://www.dotnetfox.com/Document/1017/0Demo1.gif

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