EU VAT Box

EU VAT Box

The EU VAT Box is a single ASP.NET server control that is perfect for e-commerce websites and web applications.
With client-side syntax checks and server side validation against the VIES VAT number database of the European Commission.

Features

Live check against official EU database to validate VAT ID
Client and Server-Side syntax validation
Get registered company name and address data for VAT ID (in some countries) (demo)
Automatically generates client and server-side ASP.NET validation
Easy integration in existing implementation by using events
Extendability for advanced developers
Can be hooked to other controls for country and prefix selection

CoolControls.NET