Hello Friends. Hope you all are doing well. Today, I am sharing my article "File Upload Application ASP.NET C#." Thus, I hope it is helpful for you.

Step 1: You need to install VS in your machine (laptop & desktop). Open Visual Studio and start new project.

new project

Step 2: Select Web and select ASP.NET. Empty Web Application looks as given below. Enter your Application name and click OK.

application name

Step 3: Click Solution Explorer. Right click add new item and add OK. Design the page by dragging and dropping the uploaded file.

code

Design page is given below:

Design page

The source code of the design page is given below:

  1. <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="FileUploadapplication.WebForm1" %>
  3. <!DOCTYPE html>
  5. <html xmlns="http://www.w3.org/1999/xhtml">
  6. <head runat="server">
  7. <title></title>
  8. </head>
  9. <body>
  10. <form id="form1" runat="server">
  11. <div>
  13. </div>
  14. <asp:FileUpload ID="FileUpload1" runat="server" BackColor="#FF66CC" Font-Size="Medium" Height="38px" Width="301px" />
  15. <p>
  16. <asp:Button ID="Button1" runat="server" BackColor="Aqua" BorderStyle="Solid" Font-Bold="True" Font-Italic="False" Font-Size="X-Large" Height="48px" OnClick="Button1_Click" Text="Upload" Width="226px" />
  17. <asp:Label ID="Label1" runat="server" BackColor="Lime" Font-Size="Medium" Text="Label"></asp:Label>
  18. </p>
  19. </form>
  20. </body>
  21. </html>
Afterwards, click the upload button and write the code, given below:
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Web;
  5. using System.Web.UI;
  6. using System.Web.UI.WebControls;
  8. namespace FileUploadapplication
  9. {
  10. public partial class WebForm1 : System.Web.UI.Page
  11. {
  12. protected void Page_Load(object sender, EventArgs e)
  13. {
  15. }
  17. protected void Button1_Click(object sender, EventArgs e)
  18. {
  19. if (FileUpload1.HasFile) //fileupload control contains a file
  20. try
  21. {
  22. FileUpload1.SaveAs("E:\\" + FileUpload1.FileName); // file path where you want to upload
  23. Label1.Text = "File Uploaded Sucessfully !! " + FileUpload1.PostedFile.ContentLength + "mb"; // get the size of the uploaded file
  24. }
  25. catch (Exception ex)
  26. {
  27. Label1.Text = "File Not Uploaded!!" + ex.Message.ToString();
  28. }
  29. else
  30. {
  31. Label1.Text = "Please Select File and Upload Again";
  33. }
  34. }
  35. }
  36. }
Output of program

Output

When I click choose file it opens file, as given below. Select file and click upload.

Output

Keep reading. Share your feedback. Keep writing.Thanks.