c#文件的复制,移动,创建(实例代码)

代码如下:protected void Page_Load(object sender, EventArgs e) {     if (!Page.IsPostBack)     {         this.List();     } } protected void Button1_Click(object sender, EventArgs e) {     if (TextBox2.Text == “”)     {         Response.Write(“[removed]alert(‘文件名错误！’);location=’javascr