The HTTP verb POST used to access path '/test.html' is not allowed

Question

Below is my code:

Answer 1

I found this post while working on my first Facebook app, so this may or may not be related to your underlying issue...but I was getting this same error.

While a Canvas URL value has to end in "/", the Tabl URL can be a fully qualified page (e.g. http://[DOMAIN/DIRECTORY-PATH]/Default.aspx).

I'm working locally, so http://localhost:4604/Main/Default.aspx worked for me.

HttpGet, HttpPost protocols do not appear to be required in the web.config (although this fix still worked with them in there).