C#变量的作用域

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo
{
    class Program
    {
        static string text;

        static void Main(string[] args)
        {
            int i;
            //string text="";
            for (i=0;i<10;i++)
            {
                text = "Line" + Convert.ToString(i);
                Console.WriteLine("{0}",text);
            }

            Console.WriteLine("Last text output in loop:{0}",text);
            Console.ReadKey();
        }
    }
}