反射与dynamic

var a = Assembly.GetExecutingAssembly();
Type type = a.GetType("CLRTest.ReflectClass");
var instance = Activator.CreateInstance(type);
var method= type.GetMethod("Add");
method.Invoke(instance, new object[] { 1, 2 });

var a= Assembly.GetExecutingAssembly();
Type type = a.GetType("CLRTest.ReflectClass");
dynamic instance=Activator.CreateInstance(type);
var sum=instance.Add(1,2);