原文发布时间为：2008-08-06 —— 来源于本人的百度文章 [由搬家工具导入]

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using System.IO;
using System.Text;

public partial class Default3 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {//create and write
        string info = TextBox1.Text;
        string name = TextBox3.Text;

        FileStream fs = new FileStream(Server.MapPath("~/txt/" + name + ".txt"), FileMode.Create, FileAccess.Write);
        StreamWriter sw = new StreamWriter(fs, Encoding.Default);
        sw.WriteLine(info);
        sw.Close();
        fs.Close();
        Response.Write("<script>alert('Create " + name + ".txt')</script>");

    }
    protected void Button2_Click(object sender, EventArgs e)
    {//read
        string name = TextBox4.Text;
        TextBox2.Text = File.ReadAllText(Server.MapPath("~/txt/" + name + ".txt"), Encoding.Default);
    }
}

net8：文本文件的创建及其读写