为什么不允许在jquery datatable服务器端处理ajax成功使用？

I am using asp.net mvc5 and trying to use jquery datatable plugin server-side processing. The tutorials of server side processing show a format for returning result from server.But the difference in my project is that i cannot send a typed array for 'data' from server. I am sending whole tbody as string with all html tags. My datatable code as below.I am using asp.net mvc5 and trying to use jquer