请问有没有专门的c#语法书籍看呀？

Question

static void Main(string[] args)
        {
            Console.WriteLine("Please input a string.");
            string input = Console.ReadLine();
            int len = input.Length;
            char[] inputChar = input.ToCharArray();
            string output="";
            StringBuilder sb = new StringBuilder(output);
            for (int i = 0; i < len; i++) 
            {
                sb.Insert(0, inputChar[i]);
            }
            Console.WriteLine(sb.ToString());
            Console.ReadLine();
        } 看看这个吧

Answer 1

专讲语法
http://www.enet.com.cn/eschool/zhuanti/shipin/cxsj.shtml