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Exercises

24.3 (Guestbook Application Modification) Add Ajax functionality to the Guestbook application in Exercise 23.5. Use control extenders to display error callouts when one of the user input fields is invalid.

24.4 (Guestbook Application Modification) Modify the Guestbook application in Exercise 24.3 to use a UpdatePanel so only the GridView updates when the user submits the form. Because only the UpdatePanel will be updated, you cannot clear the user input fields in the Submit button’s Click event, so you can remove this functionality.

24.5 (Session Tracking Modification) Use the ASP.NET Web Site template that you learned about in this chapter to reimplement the session tracking example in Section 23.7.


  

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