how to give internet access in active directory using c#

 What do you mean by that? Any language (c#, java), shell) could be used to automate your process. Do you know how to give internet access  to use associated with active directory using windows? leave language for time being. 

 

Read it to understand your need then could move to any language.

 

https://social.technet.microsoft.com/Forums/windowsserver/en-US/9bce42ad-58c8-4c91-948c-7b859f1168c5/problem-in-internet-connection-in-server-2008-active-directory-ou-users?forum=winserverDS