asp.net has default password recovery control and methods
to implement password recovery.you just need to use
asp.net membership provider in your app and add the
PasswordRecovery control in a page by which you want
to recover password.

List<> can be used as a collection of objects which
can be accessed by index.List originated from
System.Collections.Generic class.List objects can
be sorted,searched,manipulated.so List is very
useful in programming for holding any type of
objects.following shows a example of List<> -

Ajax is the best technique for showing & updating
data without page refresh.
jquery ajax make things possible easier way.in this
post i will show how to pass data via jquery ajax
and get back data.

sometimes needed that html tags from a html string
to be removed.there are many purposes to do that.
there are many ways this can be achieved in client side
using jquery and javascript -

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 -

this post will show how to implement image loader in any page.
basically i will show a loading image per image before image
is loaded completely in the page.