Answer / navin.cp

It is a property which give info. that the request has came
from new established session or the request is from old session.
It return true or false. If true, means a new session
arrived for the page else the request is from old session
for the page.

Answer / ponkarthik

Postback is another name for HTTP POST. In an interactive
webpage, the contents of a form are sent to the server for
processing some information. Afterwards, the server sends a
new page back to the browser.

Answer / saravanakumar

is Page Refresh to communicate the server side code executed.

Answer / selvakumar

When the entire page and it's contents sent back to server for processing

Answer / mahesh babu ummaneni

When We want to Exicute the page at the serverside autopost back is re execute at the server side

Answer / rajeev

if action attribute of the form tag is not declared then
page goes to itself.

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