Assembly-CSharp.dll how to edit

Guys, help me edit this file when I open there is some characters, please tell me whether there is learning how to do it?

Yes you can learn how to do it. I released a tut on no fall damage. Look at that. Here is tut http://www.mpgh.net/forum/755-7-days...age-7-7-a.html

i don need it any more, cos i am make godmode and superjump and 1 hit block crash)