If you want to show DataList control's each item's
details when clicked in the 'details' link then
there is a easy way to do that is to use
CollapsiblePanelExtender.

It's very common purpose when it comes to insert advertising scripts
or other html codes in a joomla article.you can easily create a plugin
which can insert your code after title or content or before content
of the article.Following way i demonstrate how to achieve
this great task -

Because of non english character or an incorrect alias in our category names, joomla will replace the category name with a time stamp lik 2014-01-01-07-15-29. This can be solved easily. Just follow these steps to fix the problem

suppose you have some data in the xml file as shown -

its a tricky part to create a php multidimensional array
which will be accessed by javascript function.most of the
time it's confusing.i am going to show how to solve the
problem -

if you want to read get/read data from a file according to
querystring using StreamReader then following codes will
help you.It is very useful in some case.here i get data from
a ashx file according to query string i pass to the file -

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<> -