frmdownload.aspx.cs

在线 图书网上购物系统

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.Data.Common;
//该源码下载自www.51aspx.com(５1ａｓｐｘ．ｃｏｍ)

public partial class frmDownload : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string studentid = Request.Params["StudentID"];
        string Name = Request.Params["Name"];
        DataTable dt = Global.GetFieldsFromTablesByCondiction("*",
           "View_PaperPartInfo","studentid =" + studentid + " and Name like '" + Name + "'");
        if (dt.Rows.Count != 0)//已提交过教师指导记录表, 则可下载
        {
            string filepath = Server.MapPath("~/" + dt.Rows[0].ItemArray[4].ToString());
            Response.Clear();
            Response.Buffer = true;
            this.EnableViewState = false;
            Response.ContentEncoding = System.Text.Encoding.UTF8;

            Response.AppendHeader("Content-Disposition", "attachment;filename=download.doc");
            Response.ContentType = "application/ms-word";
            Response.WriteFile(filepath);
            Response.Flush();
            Response.Close();
            Response.End();

        }
        else
        {
            Response.Write("文件不存在!");
            Response.Flush();
            Response.Close();
            Response.End();
          
        }
    }
}