code behind file codes -

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

It's a very common requirement to create different types of button and
it's click event handler dynamically in asp.net application.

using SMO classes one can backup a sql server database
in .bak extension.It's a programming approach to backup
database.there are other ways but using SMO classes it
is efficient and error free.

you may read many article in web about how to make a page
not to be cached using meta tags like that in the head
section -

you will need to access html elements from asp.net
code behind file.i show you how to access widely used
html textarea element from code behind file -

stored procedures allow flexibility by offering capabilities like
conditional logic.a single procedure may execute a set of SQL
statements which are really complex.