asp.net上传多个文件 asp.net上传多个文件|ASP.NET教程

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ASP.NET上载多个文件的示例

ASP.NET FileUpload控件提供AllowMultiple属性，以将多个文件上传到服务器。此属性为true或false。
< asp：FileUpload> 标记用于创建一个浏览按钮，使我们可以上传文件。让我们创建一个上传多个文件的示例。
ASP.NET上载多个文件的示例本示例包含以下文件。
// UploadMultipleFilesExample.aspx

< %@ Page Language="C#" AutoEventWireup="true" CodeBehind="UploadMultipleFilesExample.aspx.cs" Inherits="UploadMultipleExample.UploadMultipleFilesExample" %> < !DOCTYPE html> < html xmlns="http://www.w3.org/1999/xhtml"> < head runat="server"> < title>< /title> < /head> < body> < form id="form1" runat="server"> < div> < h3>Upload Multiple Files< /h3> < asp:FileUpload ID="FileUpload1" runat="server" AllowMultiple="true" /> < /div> < p> < asp:Button ID="Button1" runat="server" Text="Upload File" OnClick="Button1_Click" /> < /p> < /form> < p> < asp:Label runat="server" ID="FileUploadStatus">< /asp:Label> < /p> < /body> < /html>

// UploadMultipleFilesExample.aspx.cs

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace UploadMultipleExample { public partial class UploadMultipleFilesExample : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { if ((FileUpload1.PostedFile != null) & & (FileUpload1.PostedFile.ContentLength > 0)) { var count = 0; foreach (HttpPostedFile uploadedFile in FileUpload1.PostedFiles) { string fn = System.IO.Path.GetFileName(uploadedFile.FileName); string SaveLocation = Server.MapPath("upload") + "\\" + fn; try { uploadedFile.SaveAs(SaveLocation); count++; } catch (Exception ex) { FileUploadStatus.Text = "Error: " + ex.Message; } } if (count > 0) { FileUploadStatus.Text = count + " files has been uploaded."; } } else { FileUploadStatus.Text = "Please select a file to upload."; } } } }

【asp.net上传多个文件】输出：