upgrading dnn website to upper version is easy.one
have to follow the following steps to do upgrading.

It's a good idea to use a class say gateway where all
database access codes will be written.in this gateway class
you will implement db connection as follows -

first create another class -

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.

it is possible to run Application.Run twice in csharp
application.the following example shows that.it's a
example to create login to access the application.

The great control in the asp.net ajax is the update
panel control.it can be added to almost every
asp.net page almost magically.this control when
used with a ScriptManager permits a programmer to
use partial rendering(a technique by which many
sections of page updated partially without reloading
the entire page).

if you are participating in a project of a
course,assignment,others on c#.net or asp.net
or may be others then you should follow the
steps for finishing the project successfully.