20 Apr 2020
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It seems you've already found the solution to your question, but please see below for reference:
If you're looking to submit the form and hide the form after submission, there's an advanced property on the TPC Form Manager widget called "ShowFormOnSuccess". Setting this to False will hide the form after submission.
If you're looking to go back to the same page with all the fields cleared, you could simply set a redirect on form submission back to that page. In the form, edit your TPC Submit Button widget. Check off "Enable Next Step", and specify the page you want to redirect to.
Hope this helps!