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Implementing HTTP File Upload with ASP.NET MVC

, 14 Aug 2009
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In this article, I will explore how to upload a file using ASP.NET MVC. Since the MVC framework does not use server controls, it will be interesting to see how file upload works in MVC.

Introduction

In this article, I will explore how to upload a file using ASP.NET MVC. Since the MVC framework does not use server controls, it will be interesting to see how file upload works in MVC.

Using the code

Here is my view that renders a form for uploading files:

<%@ Page Title="" Language="C#" 
  MasterPageFile="~/Views/Shared/Site.Master" 
  Inherits="System.Web.Mvc.ViewPage" %>
 
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
            FileUpload
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
    <h2>FileUpload</h2>
    
     <% using (Html.BeginForm("FileUpload", "FileUpload", 
                    FormMethod.Post, new { enctype = "multipart/form-data" }))
        {%>
        <input name="uploadFile" type="file" />
        <input type="submit" value="Upload File" />
<%} %>
 
</asp:Content>

Now, I will write a controller for file upload, and here is my FileUploadController.cs:

[HandleError]
public class FileUploadController : Controller
{
    public ActionResult FileUpload()
    {
        return View();
    }

    [AcceptVerbs(HttpVerbs.Post)]
    public ActionResult FileUpload(HttpPostedFileBase uploadFile)
    {
        if (uploadFile.ContentLength > 0)
        {
            string filePath = Path.Combine(HttpContext.Server.MapPath("../Uploads"), 
                                           Path.GetFileName(uploadFile.FileName));
            uploadFile.SaveAs(filePath);
        }
        return View();
    }
}

One thing to note is that the controller has two overloaded methods of FileUpload. The first, ActionResult FileUpload(), is just to render the form and the method that is attributed with [AcceptVerbs(HttpVerbs.Post)] will upload the file. Here is the output form for uploading files:

Summary

The MVC framework does not use server controls, so we built an HTTP File Upload method with ASP.NET MVC.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Farooq Kaiser
Software Developer (Senior) http://www.Fairnet.com
Canada Canada
12+ years of complete software development life cycle experience for web based applications and multi-tier client-server desktop, primarily using LINQ, WCF, WWF, C#, ASP.NET, XML, XSLT, AJAX, Winforms,Visual Basic, JavaScript, JQuery, Google APIs, C++, VB.NET, C, ATL/COM, Open XML. Extensively involved in the requirement analysis, feasibility study, conceptualization, planning, architecture/design, configuration, development, quality assurance, implementation and release of the software products.

Comments and Discussions

 
QuestionI have to upload file size upto 4 GB. PinmemberMember 1058738520-Apr-14 22:48 
GeneralI gave it 3 Pinmembermaxtyrann20-Nov-11 5:46 
GeneralMy vote of 1 PinmemberBrady Kelly3-Jul-11 23:46 
GeneralUpload large files Pinmemberttvvaa17-Nov-10 22:40 
GeneralMy vote of 5 PinmemberVUnreal21-Sep-10 11:19 
GeneralI have a problem using something similar to upload files Pinmembervsrihari1629-Jun-10 1:14 
GeneralSimple and to the point PinmemberDan Crowell16-Jun-10 10:17 
GeneralGood article PinmemberDonsw11-Jun-10 8:36 
GeneralMy vote of 1 PinmemberMiguel J4-Feb-10 12:31 
brigs nothing to the table

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