you can use online paypal buy button in your page
for receiving online paypal payment.when users click
this buy button they will enter in payment page
for payment.

Asp.net caching helps you to create high performance applications.
you can cache objects like DataSets,or your created objects.you can
also do page level caching if you used user controls in the page
if your aspx page includes lots of work.

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 -

Worried of losing your Wordpress admin password, and cant able to retrieve it using mail option? Just follow the below steps

You have a problem on paypal button? When you use the script given from paypal for article, the button gets visible but when clicked on it defines no action..The solution is simple...

You have to change the Text Filters setting to "No Filters" for all users in global configuration and must make the text editors to none after that add the paypal code button script. It works fine...

Problem Solved.

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Ultimatecine.com

if you want to prevent running multiple instance
of the same c# application then check the
following lines.It's sometime necessary to prevent
running multiple instances of the same application.

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.