I saw this article on Code Project and thought it was a really cool idea. The author has created a solution for exposing a server's event log via an RSS Feed. As the author mentions it is important to consider security.
On a recent project I was tasked with building a custom grid server control. The grid made use AJAX (Client Side Java Script) to avoid post backs. I wanted change the ugly default toolbox icon used in Visual Studio. I thought it would make sense for my server control to use the same icon as the DataGrid since my control is a custom grid. This will allow developers to easily recognize it
Most .NET Web Applications are built using .ASPX and ASCX (User Controls) Files. However, ASP.NET provides an easy way to build HTTP Handlers via .ASHX Files. You might want to use HTTP Handlers when the output of your application isn't going to a web browser.
Many Web Developers and Designers still choose HTML Tables over CSS and Table Free site design. CSS comes with a learning curve and cross browser compatibility can be frustrating at times. However, CSS does offer several benefits including smaller overall site downloads and easier maintenance. This can translate into faster update times and better site performance.