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.

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 -

GridView is the most common data representation
contol in asp.net.It's needed to show users the
items details when the item is selected.DetailsView
control can be used precisely to show the Gridview items
details.

access database file is easy to use than sql server
or MySql server databases.for accessing access db
System.Data.OleDb namespace used.following are
steps are needed to use access db in .net
application.

this article covers how to read,write data through
textreader and textwriter.

limiting the number of characters in a textbox control
is tricky and useful.

the two functions in the codes mainly used to do that.
these two functions are-Limitvalidation and get_object.

if you having a lot html strings,you may want to
have only plain text removing all html tags.you
can do it using REGEX