It's a very common requirment that you may want to
insert ad codes or some other texts in a joomla article
or elsewhere.I am going to show how it can be done so
that if you want some text like "{replace it}" will be
replaced by your code -

you can put application specific settings in the
appSettings section of your app.config file in your
c# windows form application.you can access,edit,update
those settings.I show you how -

when you build a software make sure that you built it by object oriented way
and you organized your files in folders as following way -

Gravatar.com is used to store one's avatar image according to email.
then if you comment in any application using your that email address
where gravatar image has been programmed then your avatar image will
be displayed in the application.

using asp.net membership Probvider you can easily
make a user login using username and password and redirect to
default or any page by the following way -