ASP.Net Upload Multiple Files

by Online Tutorials Library July 14, 2022

ASP.NET Upload Multiple Files

ASP.NET FileUpload control provides AllowMultiple property to upload multiple files to the server. This property takes either true or false value.

The <asp:FileUpload> tag is used to create a browse button that allows us to upload file. Let?s create an example to upload multiple files.

ASP.NET Upload Multiple Files Example

This example contains the following files.

// 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.”;             }         }     } } 

Output:

ASP Net Upload Multiple File 1

Selecting 2 files to upload

ASP Net Upload Multiple File 2
ASP Net Upload Multiple File 3

See, initially, the upload folder is empty.

ASP Net Upload Multiple File 4

Uploading files to the server.

ASP Net Upload Multiple File 5

Now, look at the upload folder. It contains uploaded two files.

ASP Net Upload Multiple File 6

Next TopicASP.NET Download File

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ASP.NET Upload Multiple Files

ASP.NET Upload Multiple Files Example

// UploadMultipleFilesExample.aspx

// UploadMultipleFilesExample.aspx.cs

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