This events sends the web page to the server for processing. Web page sends data back to the

same page on the server.
Which among the following events does the above stated task?

.NET Framework is a complete environment that allows developers to develop, run, and deploy the following applications:

 => Console applications
 => Windows Forms applications
 => Windows Presentation Foundation (WPF) applications
 => Web applications (ASP.NET applications)
 => Web services
 => Windows services
 => Service-oriented applications using Windows Communication Foundation (WCF)
 => Workflow-enabled applications using Windows Workflow Foundation (WF)

Authorization: The process of granting access privileges to resources or tasks within an

application.

Authentication: The process of validating the identity of a user.

To open a page in a new window, you have to use client script using onclick="window.open()" attribute of HTML control.

RegularExpressionValidator checks if entered data matches a specific format

CompareValidator  allows checking if data of one control match with other control

RequiredFieldValidator is used to validate the controls if they contain data

Querystring is used to send data from one page to another with URL.But it can store only some minimum amount of data.Most browsers allow a limit of 255 characters on URL length

_VIEWSTATE is the command used to implement view state