轻松实现一个页面多文件上传

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

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

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            string path = Server.MapPath("~/upload/");
            HttpFileCollection uploadFiles = Request.Files;
            for (int i = 0; i < uploadFiles.Count; i++)
            {
                HttpPostedFile userPostedFile=uploadFiles[i];
                try
                {
                    if (userPostedFile.ContentLength > 0)
                    {
                        userPostedFile.SaveAs(path + userPostedFile.FileName);
                    }
                }
                catch (Exception)
                {
                    
                    throw;
                }
            }
           
        }
    }
}