The RadControls for ASP.NET AJAX courseware has just received a fresh update and now includes updates and new additions spread across all ASP.NET AJAX components. You can find the renewed PDF version of the tutorial and the zip download containing the AJAX courseware projects on this page (under the group 'Learning RadControls for ASP.NET AJAX").
Stefan Rahnev (@StDiR) is Product Manager for Telerik Kendo UI living in Sofia, Bulgaria. He has been working for the company since 2005, when he started out as a regular support officer. His next steps at Telerik took him through the positions of Technical Support Director, co-team leader in one of the ASP.NET AJAX teams and unit manager for UI for ASP.NET AJAX and Kendo UI. Stefan’s main interests are web development, agile processes planning and management, client services and psychology.