Please help me understand AutoPostBack property of an ASP.NET control

Question

I\'m learning about ASP.NET, mainly by following through a book, but also making an effort to actually do things along the way. But, I came across an explanation about list cont

Answer 1

When a user selects a ListItem (or whatever the collection item is), the page should automatically submit the web form to the server with a POST event.

here's the wikipedia page on HTTP POST events http://en.wikipedia.org/wiki/HTTP_POST