static void Main() { var names = new MyChildClass(); names[DataColumns.Grades, 1] = 'S'; names[DataColumns.NameList, 9] = "W.S"; }
static void Main_01(string[] args) { Console.WriteLine("Hello World!"); MyBaseClass b = new MyBaseClass(); //base Console.WriteLine(b.sum(3, 2)); MyBaseClass bc = new MyChildClass();//Child Console.WriteLine(bc.sum(5, 2)); MyChildClass c = new MyChildClass(); //child Console.WriteLine(c.sum(30, 2)); }