Answer / amrit sidhu

The Global.asax file, sometimes called the ASP.NET
application file, provides a way to respond to application
or module level events in one central location. You can use
this file to implement application security, as well as
other tasks.
The Global.asax file is in the root application directory.
While Visual Studio .NET automatically inserts it in all
new ASP.NET projects, it's actually an optional file. It's
okay to delete it—if you aren't using it. The .asax file
extension signals that it's an application file rather than
an ASP.NET file that uses aspx.
The Global.asax file is configured so that any direct HTTP
request (via URL) is rejected automatically, so users
cannot download or view its contents. The ASP.NET page
framework recognizes automatically any changes that are
made to the Global.asax file. The framework reboots the
application, which includes closing all browser sessions,
flushes all state information, and restarts the application
domain.

Answer / sridhara krishna

Global.asax is a file that resides in the root directory of
your application. It is inaccessible over the web but is
used by the ASP.NET application if it is there. It is a
collection of event handlers that you can use to change and
set settings in your site. The events can come from one of
two places - The HTTPApplication object and any HTTPModule
object that is specified in web.confg or machine.config


Regards

sridhara krishna bodavula

Answer / sivasaravanan

it allows to execute application level events and set
application level variables.

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