在字符串内的DataTables（服务器端）列中打印数据数组值

I'm using Datatables plugin in one school project. But I can not make it work server side version. In the client side version I have some crud botons to manage the data. But I can not achieve to put that buttons in the sever side version. I try to use it with mRender wich aloud me create HTML objects. But I want to put some data array value inside this string. But I can't make it. Can someone help me with this one please.I'm using Datatables plugin in one school proje