Sample Code for Accordion Control in AJAX

Here I will explain how to use the Ajax Accordion control in asp.net.

The Accordion is a web control that allows you to provide multiple panes and display them one at a time. It is like having several CollapsiblePanels where only one can be expanded at a time. The Accordion is implemented as a web control that contains AccordionPane web controls. Each AccordionPane control has a template for its Header and its Content. We keep track of the selected pane so it stays visible across postback

Below are the properties for Accordion control

SelectedIndex - This property is used to set initial AccordionPane to be visible.

HeaderCssClass – This CSS class property is used to apply style to Header of all AccordionPanes.

HeaderSelectedCssClass – This CSS class is used to change the color of selected AccordionPane.

ContentCssClass – This CSS class is used to update the AccordionPane.

FadeTransitions – This Property is used to set True to use the fading transition effect, false for standard transitions.

TransitionDuration – This Property is used to set the Number of milliseconds to animate the transitions

FramesPerSecond - This Property is used to set the Number of frames per second used in the transition animations.

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

SuppressHeaderPostbacks – This Property is 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)

AutoSize – This Property is used to set the height of the accordion control. This Property contains 3 types of varieties

1. None- The Accordion grows/shrinks without restriction

2. Auto- the Accordion never grows larger than the value specified by its Height property.

3. Fill- The Accordion always stays the exact same size as its Height property

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

Example

Now we can see how to use accordion control in our application for those first add AjaxControlToolkit reference to your application and add

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

And

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

HTML

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

<title>Accordion Page</title>

</head>

<body>

<div>

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

<ajaxToolkit:Accordion runat="server" ID="theAccordion" SelectedIndex="0" AutoSize="Limit"

BackColor="#E1E1E1" FadeTransitions="true" TransitionDuration="333" FramesPerSecond="30"

Width="200px" Font-Names="Verdana" Font-Size="Smaller">

<Panes>

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

Menu 1

</div>

</Header>

<div>

</ul>

</div>

</Content>

</ajaxToolkit:AccordionPane>

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

Menu 2

</div>

</Header>

<div>

</ul>

</div>

</Content>

</ajaxToolkit:AccordionPane>

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

Menu 3

</div>

</Header>

<div>

</ul>

</div>

</Content>

</ajaxToolkit:AccordionPane>

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

Menu 4

</div>

</Header>

<div>

</ul>

</div>

</Content>

</ajaxToolkit:AccordionPane>

</Panes>

</ajaxToolkit:Accordion>

</div>

</form>

</body>

</html>

For Download source code Click Here

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Sample Code for Accordion Control in AJAX

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