从一个文本文件中读取一组数据放在一个文本框里，然后打印



using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {

            // The files used here were created in the code example
            // in How to: Write to a Text File. You can of course substitute
            // other files of your own.

            // Example #1
            // Read the file as one string.
            string text = System.IO.File.ReadAllText(@"D:\Test1.txt");

            // Display the file contents to the console.
            System.Console.WriteLine(@"D:\Test1.txt = {0}", text);

            // Example #2
            // Read the file lines into a string array.
            string[] lines = System.IO.File.ReadAllLines(@"D:\Test2.txt");

            System.Console.WriteLine(@"D:\Test2.txt =:");
            foreach (string line in lines)
            {
                Console.WriteLine("\t" + line);
            }

            // Keep the console window open in debug mode.
            Console.WriteLine("Press any key to exit.");
            System.Console.ReadKey();        }
        
    
    }
}