MySQL provides drivers for .Net enabling building database
applications by their appropriate languages.

when you process credit card payment the two
most sensitive inputs are taken from customer
are card number and card security code.you
will want to verify that the data entered
is valid before processing credit card payment.

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 have a asp.net web page which is derived
from a master page then you may have trouble
using a form inside your page.It happens because
of your master page using a form.It's a little tricky
to be able to use another form which you need to use.
you have to use a javascript line for that.

you may have seen input textbox becomes wider
dynamically in some websites when mouse cursor is
placed on it(in focus) to take some user input.It's
attractive to see and in this way it makes spaces
for larger input.

you may want to show dynamic data from a page when
mouse is placed over a button.

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

it is possible to run Application.Run twice in csharp
application.the following example shows that.it's a
example to create login to access the application.

it's needed that you may want to prevent a drag-drop
value from your web page and copy paste text in
your textbox control.this error is reported
most of the time.

we know different file types like html,jpeg,gif,pdf,
doc,etc handled by different browsers like IE,
firefox,opera,etc.the situation can come when the
browser can't handle the file type,it will ask
to save or open that file.