【原】对txt文本进行数据读取

//首先要引用
using System.IO;
//内容
string txt = "";
            StreamReader sr = new StreamReader(@"c:\test.txt");
            while (!sr.EndOfStream)
            {
                string str = sr.ReadLine();
                txt += str + "</br>";
            }
            sr.Close();
            Response.Write(txt);