It has Comman Language Runtime execution Engin which
translate the source code into Microsoft Intermediate
Language (MSIL) .It is called Managed code.

One of the main features of asp.net is:
The code has not been Compiled instead of that Interpreting.
By doing that, the performance of a website will be
improved. Apart from that in asp.net we're using a
programming code called templates. For example if a
particular page of a website has been updated by inserting
some codes the modification part will not be shown to the
user when he is viewing the source code. apart from that
presentation content and application content have been
separated in Asp.net framework. So that the webdesigner can
create the application and the programmer can develop the
code for an application. And also in Asp.net application if
any changes need to be done in a website it can be done
inside the configuration setting of an application, instead
of that we need not want to restart the webserver, whatever
changes done in the configuration leavl will be altered.