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).

It's a professional logic to use the databaseOwner
and objectQualifier values when creating tables
else you will not be able to identify the tables
in databases with ease and gain other benefits of it.

In wordpress there are some definite ways to add scripts and styles
in your custom plugin.If you don't follow these rules you might
encounter numerous problems specially related with jquery.

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.

we all know well that the DataGrid is used for database work.we
can use DataGrid contorl to show data from database tables.
but it's that the new version of the DataGrid control in the c#
language and Vb.net is able to show any other objects
of classes which implements IList interface.

in some way these codes will help you very much if you need
to know file extension.
method below returns true if extension are any of the following -