Upload file using ASP.NET FileUpload

This article the topic is not new but it is still very handy, upload file using ASP.NET FileUpload.

Add a Webform to your ASP.NET application.

Drop the FileUpload Web Control and Button Control to the page. You should have the code like below.

<html xmlns=”http://www.w3.org/1999/xhtml”&gt;

<head runat=”server”>




    <form id=”form1″ runat=”server”>


        <asp:FileUpload ID=”FileUpload1″ runat=”server” />

        <br />

        <asp:Button ID=”btnUpload” runat=”server” Text=”Upload”

            onclick=”btnUpload_Click” />





The code behind for the Button as below.

protected void btnUpload_Click(object sender, EventArgs e)


    if (FileUpload1.HasFile)


        string strfileName = Path.Combine(Server.MapPath(@”~/tempfile”), FileUpload1.FileName);





The only trick is you can use physical path. You need to make the physical path to become Virtual Directory in IIS. Actually my physical path is c:\temp\files.


About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress (http://www.pcworld.com/article/206455/Microsoft_Live_Spaces_Moves_to_WordPress_An_FAQ.html) till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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