我可以在ASP.NET中“保存”POST数据，因此我可以使用Captcha进行验证吗？

I have a complex page with maybe a dozen POST element and a file upload (non ajax ATM). I have a form with a description, if it causes akismet to find it as spam i would like the user to be informed and either hit back on their browser to try again or to hold call POST data so the user can fill in a reCaptcha to bypass the spam marking.I have a complex page with maybe a dozen POST e