when button is click values passed and print the value? can any one help me? (simply created list of classes)

public class Class1
     {
         public Class1()
         {
             sl=new List<simplelist>();
         }
         public  List<simplelist> sl;
     }
     public class simplelist
     {
         public  simplelist(string a,string b)
         {
             dis = a;
             sl2 = new List<simplelist2>();
         }
         public  string dis;
         List<simplelist2> sl2;
     }
     class simplelist2
     {
         simplelist2() { str = new List<string>();
         str.Add("one");
         str.Add("two");
        }
     List<string> str;
  }