These days in developing Web 2.0 applications, how to
locally update a web page becomes one of the most crucial and interesting
topics. In this article from the point of view of an ASP.NET 2.0 developer, I
will show you four different ways to achieve this goal with concrete examples.
In fact, there have already been several techniques coming
into the locally updating stage before the term "AJAX" was coined. Now
let us first start researching into the IFrame approach.