It's nice to show cool gradient color as a
background color of the form in c#.net desktop
application.you can set different colors.

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.

in asp.net application or website </appSettings>
section in web.config is used to store application
setting to be used.you can keep settings in this
section as -

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.

you should backup your database file of your
windows software.there are many reasons why you
will backup your database file.i will not write
details about that.i showing here how to
backup your database file for safety of your
database -

n your asp.net application/website you can count
how many visitors are browsing your website easily.
for this add a Global.asax file in your website.
then add the following codes in that file -