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Menu in asp.net

Posted By: Arul     Posted Date: February 13, 2012    Points:5   Category :ASP.Net

Hi,

I want to create a dynamic menu only with link buttons in ASP.NET.

The menu should look like

MenuItem1 MenuItem2 MenuItem3 MenuItem4

Which control can i user? Canu you suggest?

Responses
Author: Mahesh             
Posted Date: March 01, 2012     Points: 20   

Hi,
It actually depends on you which approach you like there are many options how you can create menus, following are three approaches which may help you...

In ASP.NET the menu can be stored in a file to make it easier to maintain. This file is normally called web.sitemap, and is stored in the root directory of the web.

In addition, ASP.NET 2.0 has three new navigation controls:

•Site Map Path
•Dynamic menus
•TreeViews
--------------------------------------------------------------------------------
The Sitemap File

The following sitemap file is used in this tutorial:

<?xml version="1.0" encoding="ISO-8859-1" ?>
<siteMap>
<siteMapNode title="Home" url="/aspnet/w3home.aspx">
<siteMapNode title="Services" url="/aspnet/w3services.aspx">
<siteMapNode title="Training" url="/aspnet/w3training.aspx"/>
<siteMapNode title="Support" url="/aspnet/w3support.aspx"/>
</siteMapNode>
</siteMapNode>
</siteMap>Rules for creating a sitemap file:

•The XML file must contain a <siteMap> tag surrounding the content
•The <siteMap> tag can only have one <siteMapNode> child node (the "home" page)
•Each <siteMapNode> can have several child nodes (web pages)
•Each <siteMapNode> has attributes defining page title and URL
Note: The sitemap file must be placed in the root directory of the web and the URL attributes must be relative to the root directory.
--------------------------------------------------------------------------------
Dynamic Menu
The <asp:Menu> control displays a standard site navigation menu.

Code Example:

<asp:SiteMapDataSource id="nav1" runat="server" />

<form runat="server">
<asp:Menu runat="server" DataSourceId="nav1" />
</form>The <asp:Menu> control in the example above is a placeholder for a server created navigation menu.

The data source of the control is defined by the DataSourceId attribute. The id="nav1" connects it to the <asp:SiteMapDataSource> control.

The <asp:SiteMapDataSource> control automatically connects to the default sitemap file (web.sitemap).

--------------------------------------------------------------------------------
TreeView
The <asp:TreeView> control displays a multi level navigation menu.

The menu looks like a tree with branches that can be opened or closed with + or - symbol.

Code Example:

<asp:SiteMapDataSource id="nav1" runat="server" />

<form runat="server">
<asp:TreeView runat="server" DataSourceId="nav1" />
</form>The <asp:TreeView> control in the example above is a placeholder for a server created navigation menu.

The data source of the control is defined by the DataSourceId attribute. The id="nav1" connects it to the <asp:SiteMapDataSource> control.

The <asp:SiteMapDataSource> control automatically connects to the default sitemap file (web.sitemap).
--------------------------------------------------------------------------------
SiteMapPath
The SiteMapPath control displays the trail (navigation path) to the current page. The path acts as clickable links to previous pages.

Unlike the TreeView and Menu control the SiteMapPath control does NOT use a SiteMapDataSource. The SiteMapPath control uses the web.sitemap file by default.

Tips: If the SiteMapPath displays incorrectly, most likely there is an URL error (typo) in the web.sitemap file.

Code Example:

<form runat="server">
<asp:SiteMapPath runat="server" />
</form>The <asp:SiteMapPath> control in the example above is a placeholder for a server created site path display.


Regards,
Mahesh



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