five new (free) ASP.NET AJAX videos on the asp.net site

Joe Stagner has recently posted five new (free) ASP.NET AJAX videos on www.asp.net:

#40 How Do I: Use the PagingBulletedList Extender Control?
(25 minutes, 31 seconds)
#41 How Do I: Use the NumericUpDown Extender Control?
(21 minutes, 50 seconds)
#42 How Do I: Use the ASP.NET AJAX History Control?
(8 minutes, 59 seconds)
#43 How Do I: Use the ASP.NET AJAX ValidatorCallout Extender?
(11 minutes, 6 seconds)
#44 How Do I: Implement the AJAX After Processing Pattern?
(5 minutes, 40 seconds)