Oh how I have wanted to sing about this for months, now it’s public … Due to the popularity of the Microsoft AntiXSS Library, ASP.NET 4.5 now incorporates core encoding routines from version 4.0 of that library. The encoding routines are implemented by the AntiXssEncoder type in the new System.Web.Security.AntiXss namespace. You can use the AntiXssEncoder type directly by calling any of the static encoding methods that are implemented in the type. However, the easiest approach for using the new anti-XSS routines is to configure an ASP.NET application to use the AntiXssEncoder by...