How to allow the user to redirect to the form automatically after making a payment?

How can I incorporate a payment form that will 1st.) take info and place it into a database along with making a payment? The information, ie., name, phone #, etc., which is mandatory and payment that is mandatory?  I have the paypal button on my form, but after payment, it goes to the receipt and on the bottom of the receipt, there is a button that states "Return to Merchant" and this takes the person to the form. I would like an easier method to have this completed. Please advise.

I have checked your form and see that there is no payment field added to the form. If you are referring to PayPal Standard, the form needs to be redirected to the Thank you page manually from the PayPal page. If you want to process the payment and redirect to Thank you page directly, you may consider using PayPal Pro or other payment methods that can process credit card payments.

Thanks!