how to do direct checkout without shoping cart

i am doing event management project in nopcomerce. in product(grouped) description page there is a buy ticket button once i click on this button the simple product is adding to cart. Instead of this i want to use the buy button,and once i click on this button it shoud go to direct checkout.how to do this please help me

rakshiraik wrote:

rakshiraik wrote:

Need this solution as well. :)