title: Postback in asp.net
body: <p>Hello friends it may sound awkward but i am novice to asp dotnet web development realm, so  my question is genuine. Please explain me about what is postback in asp.net. I want it's practical meaning and how does it work in the page life cycle while i dp understand ispostBack and i use it as well.</p>
  
  <p>But i am not getting good meaning of post back please explain it to me with good example.   </p>