#region Lambda 匿名方法 扩展方法不能用于动态数据
        static void DynamicLambda()
        {
            dynamic dyn = new Person();
            //匿名方法
            dyn.LamdbaMethod(delegate (string str) { Console.WriteLine(str); });
            //lambda
            dyn.LamdbaMethod(str => Console.WriteLine(str));
            //只能使用基本委托方式
            TestDynamic<string> testDyn = new TestDynamic<string>(str => Console.WriteLine(str));
            dyn.LamdbaMethod(testDyn);
            //扩展方法
            //var data = from d in dyn select d;
        }
        #endregion

/// <summary>
        /// Add，使用表达式树
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="a"></param>
        /// <param name="b"></param>
        /// <returns></returns>
        private T AddExpressionTree<T>(T a, T b)
        {
            ParameterExpression leftOperand = Expression.Parameter(typeof(T), "left");
            ParameterExpression rightOperand = Expression.Parameter(typeof(T), "right");
            BinaryExpression body = Expression.Add(leftOperand, rightOperand);
            Expression<Func<T, T, T>> adder = Expression.Lambda<Func<T, T, T>>(body, leftOperand, rightOperand);

            Func<T, T, T> theDelegate = adder.Compile();
            return theDelegate(a, b);
        }

private static void AddWithDynamic()
        {
            Assembly asm = Assembly.Load("MathLibrary");

            try
            {
                // Get metadata for the SimpleMath type.
                Type math = asm.GetType("MathLibrary.SimpleMath");

                // Create a SimpleMath on the fly.
                dynamic obj = Activator.CreateInstance(math);
                Console.WriteLine("Result is: {0}", obj.Add(10, 70));
            }
            catch (Microsoft.CSharp.RuntimeBinder.RuntimeBinderException ex)
            {
                Console.WriteLine(ex.Message);
            }
        }