My textarea contains C# code, so i get red underlines all over the place, is there any way to disable auto correction on a TEXTAREA in html code?
Thank
I believe you may be looking for <textarea spellcheck="false"></textarea>
Source: https://developer.mozilla.org/en/controlling_spell_checking_in_html_forms
There are two more attributes other than spellcheck="false" for iOS (probably Android too) that you might need to add to your text inputs to avoid OS interferer with text content:
autocorrect="off" for avoiding to complete or suggest a wordautocapitalize="off" for avoiding OS transforming book to Bookspellcheck="false" for avoiding OS from highlighting spell errors 
Try adding the following code to your textarea:
spellcheck="false"