List<List<string>> 如何取出里面的string型的值_ASP.NET

List<List<string>> 怎么取出里面的string型的值？

List<List<string>> 怎么取出里面的string型的值？

急用谢谢

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C# code

using System;using System.Collections.Generic;namespace ConsoleApplication11{    class Program    {               public static void Main()        {            List<List<string>> l = new List<List<string>>();            List<string> ll = new List<string>();            ll.Add("aa");            ll.Add("bb");            l.Add(ll);            foreach (List<string> lll in l)            {                foreach (string str in lll)                {                    Console.WriteLine(str);                }            }            Console.Read();        }             }}
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up
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实际就是2维数组
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C# codeusing System;using System.Collections.Generic;namespace ConsoleApplication11{    class Program    {               public static void Main()        {            List<List<string>> l = new List<List<string>>();            List<string> ll = new List<string>();            ll.Add("aa");            ll.Add("bb");            l.Add(ll);            foreach (List<string> lll in l)            {                foreach (string str in lll)                {                    Console.WriteLine(str);                }            }            Console.Read();        }             }}
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C# codeusing System;
using System.Collections.Generic;
namespace ConsoleApplication11
{
    class Program
    {
       
        public static void Main()
        {
            List<List<string>> l = new List<List<string>>();
            List<string> ll = new List<string>();
            ll.Add("aa");
            ll.Add("bb");
            l.Add(ll);
            foreach (List<string> …