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 -

in asp.net application there may be different
server errors like file not found,server error,
etc.when those errors happens default ASP.NET error
page is shown which looks odd and users don't
understand what type of errors occured.to overcome
these problems it's a good idea to use own
error files.

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 -

I have given many interviews on c#,asp.net jobs and
went through the questions.here i am posting,It may
help you -