how to disable caching on few pages, so as to avoid double submission of forms

how to disable caching on开发者_如何学运维 few pages, so as to avoid double submission of forms

Why not have a hidden variable with a generated unique key, so that if they double send, you note the repeated key, and can just ignore it.

One way to disable back button is to auto forward it from the page it is directed to... http://viralpatel.net/blogs/2009/11/disable-back-button-browser-javascript.html