What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Jotform is purely HTML with no server side code this allows you to full integrate with php,jsp or aspx pages.
To add the form into your aspx page you will need to get the full source code, you can then modify the form's submit actions to send the data to your back-end.
To download the full source code