Data binding in listbox

firstmethod.cs

public void firstmethod()
        {
            //create a list of Resultclass
            List<Resultclass> mylist = new List<Resultclass>();

            for (int i = 0; i < 8; i++)
            {
                //Create a new object of Result class
                Resultclass obj = new Resultclass();
                
                //add the corresponding data from the sample array
                obj.name = studentnames[i];
                obj.marks = studentmarks[i];

                //add the object into the list created
                mylist.Add(obj);

            }

            //Set the itemsource of the mylistbox created
            mylistbox.ItemsSource = mylist;
        }