asp.net StreamReader 创建文件的实例代码

代码如下:using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using System.Text;using System.IO;namespace new_app{ /// <