Answer / r.raghu vamsi

The values of the Form are posted to the same page and the
very same page can process the data. This model is called
post back.

Each Asp .net page when loaded goes through a regular
creation and destruction cycle like Initialization, Page
load etc., in the beginning and unload while closing it.
This Postback is a read only property with each Asp .Net
Page (System.Web.UI.Page) class. This is false when the
first time the page is loaded and is true when the page is
submitted and processed. This enables users to write the
code depending on if the PostBack is true or false (with the
use of the function Page.IsPostBack()).

Answer / surjith

post back event happens when the sender page sends Http
request to the same page. checking for ispostback() and
then writing the code within the if block would be the
implementation for postback.

The following is the order of events that occur when a page
is loaded.
init-> load -> prerender and finally unload.

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