namespaces is a old concept in c# programming.both
java and c# uses this concept.a namespace is act like
a 'wrapper' around one or many elements which gives
them uniqueness.

in coding giving proper names to methods,classes,controls,
variables,others is neccessary and good programming practice.
think that a method name-show button click.

HttpCookie is a very good way to store small amount of data
in asp.net application/website.you can access cookie value in
any page once set in a page.cookie can stay for long time in the
user's computer.

to display the help and let the users easily get help
whenever they need it you can call the Help.ShowHelp
method in your form.

Nowadays internet is being part of our life.So you need to
be cautious when you browsing internet.Following are some
guidelines to be safe -