admin/Feedback/FeedbackView.aspx.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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 SystemFeedback;
using System.IO;
public partial class admin_Feedback_FeedbackView : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            BindUserDataSearch(Convert.ToInt32(Request.QueryString["id"].ToString()));
        }
    }
    private void BindUserDataSearch(int id)
    {
        DataSet ds = Feedback.GetFeedbackByID(id);
        DataList1.DataSource = ds;
        DataList1.DataBind();


        //LinkButton linkbtn_path = (LinkButton)DataList1.Items[0].FindControl("LinkButton1");
       
        //Session["filename"] = ds.Tables[0].Rows[0]["upload"].ToString().Trim();
        //if (Session["filename"] == "")
        //{
        //    linkbtn_path.Text = "没有文件下载";
        //}
        //else
        //{
        //    linkbtn_path.Text = Session["filename"].ToString();
        //}
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Redirect("FeedbackList.aspx");
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        if (Session["filename"] != "")
        {
            string filename = Session["filename"].ToString();  //客户端保存的文件名
            string serverpath = Server.MapPath(@"~/admin/file/") + filename;    //路径

            //以字符流的形式下载文件
            FileStream fs = new FileStream(serverpath, FileMode.Open);
            byte[] bytes = new byte[(int)fs.Length];
            fs.Read(bytes, 0, bytes.Length);
            fs.Close();
            Response.ContentType = "application/octet-stream";

            //通知浏览器下载文件而不是打开
            Response.AddHeader("Content-Disposition", "attachment;  filename=" + HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8));