Chapter 3-Lesson 2

• We may use Hyperlink control to enable Client-side Navigation within the page. No data is posted to the newly requested page, so we may need to use QueryStrings.
• Page.PostBackUrl property is used for Cross-page Posting.
• When a cross-page post is made, data from first page is posted to the second page. The second page may access that data using Page.PreviousPage property.
• We may use properties to encapsulate controls on a page so that they could be accessed from another page as strongly typed values during a cross-page posting.
• To access such porperties in the posted page, add PreviousPageType directive after the Page directive and set its VirtualPath attribute. (Page 169 for exact usage)
• Response.Redirect( ) method is used to cause a Client-side Browser redirect. This is similar to using Hyperlinks as the browser is sent an HTTP 302 message with the URL to redirect.
• Server.Transfer( ) method is used to cause a Server-side Page Redirection. PreviousPage property is populated for the new page in this case.
• Sitemap class is used to access Web.sitemap (or other such) files from code. It has three properties namely Title, Url and Description.
• Menu, TreeView and SiteMapPath are three navigational controls that use Sitemap files.
• SitemapPath connects itself to the Sitemap file automatically. It can be put on a masterpage where it could check (automatically) current page on which it is displayed and show its bread-crumb trail.