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Programming Visual Basic 2005 by Jesse Liberty

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Navigation

Web sites are becoming larger and more complex, and developers are called upon to provide navigational hints and menus to assist visitors avoid "getting lost" and to help visitors find all the features of the site.

Page2.aspx

Figure 10-6. Page2.aspx

Two pages sharing a common master page

Figure 10-7. Two pages sharing a common master page

The ASP.NET toolset includes a number of controls that facilitate creating both "bread crumbs" (how did I get to this page?) and site maps (how do I find that other page?).

Most of the time, you will want all of these features to be present on every page, and thus master pages are a great asset. If you change the site map or the control, you only have to update the master, and all the other pages are "updated" automatically.

Getting Started with Site Navigation

The most common way to create a site navigation data source is to create an xml file. It is possible to use a database, multiple xml files, and other sources, but for now let's keep things simple.

To begin, create a new web site called SiteNavigation . Right-click on the web site in Solution explorer and choose Add New Item. The Add New Item dialog box appears. Choose Site map and verify that the name provided is Web.sitemap , as shown in Figure 10-8.

Figure 10-8. Creating the sitemap

When you click the button, Add Web.sitemap is added to ...

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