<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MultipleUploads.aspx.cs" Inherits="MultipleUploads" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <p id="upload-area"> <input id="File1" type="file" runat="server" size="60" /> </p> <input id="AddFile" type="button" value="Add file" onclick="addFileUploadBox()" /> <p> <asp:Button ID="btnSubmit" runat="server" Text="Upload Now" OnClick="btnSubmit_Click" /></p> <span id="Span1" runat="server" /> </div> </form> <script type="text/javascript"> function addFileUploadBox() { if (!document.getElementById || !document.createElement) return false; var uploadArea = document.getElementById ("upload-area"); if (!uploadArea) return; var newLine = document.createElement ("br"); uploadArea.appendChild (newLine); var newUploadBox = document.createElement ("input"); // Set up the new input for file uploads newUploadBox.type = "file"; newUploadBox.size = "60"; // The new box needs a name and an ID if (!addFileUploadBox.lastAssignedId) addFileUploadBox.lastAssignedId = 100; newUploadBox.setAttribute ("id", "dynamic" + addFileUploadBox.lastAssignedId); newUploadBox.setAttribute ("name", "dynamic:" + addFileUploadBox.lastAssignedId); uploadArea.appendChild (newUploadBox); addFileUploadBox.lastAssignedId++; } </script> </body> </html>
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.IO; public partial class MultipleUploads : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { String UpPath; UpPath = "C:\\UploadedUserFiles"; if (!Directory.Exists(UpPath)) { Directory.CreateDirectory("C:\\UploadedUserFiles\\"); } } protected void btnSubmit_Click(object sender, EventArgs e) { HttpFileCollection uploads = HttpContext.Current.Request.Files; for (int i = 0; i < uploads.Count; i++) { HttpPostedFile upload = uploads[i]; if (upload.ContentLength == 0) continue; string c = System.IO.Path.GetFileName(upload.FileName); // We don't need the path, just the name. try { upload.SaveAs("C:\\UploadedUserFiles\\" + c); Span1.InnerHtml = "Upload(s) Successful."; } catch (Exception Exp) { Span1.InnerHtml = "Upload(s) FAILED."; } } } }
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