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Asked: 2026-06-14T12:57:07+00:00

I am trying to implement the AjaxUploadControl functionality on my site but it does

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I am trying to implement the AjaxUploadControl functionality on my site but it does not fire the OnUploadComplete method. Instead, it simply says file uploaded 100%, but the file is not in the specified folders. I have set breakpoints in the OnUploadComplete method and have been able to determine that this method is never being reached. It almost seems to be jumping into an infinite loop as the Cancel button displays, but none of the buttons on the screen are clickable once an attempt has been made to upload a file.

The .aspx page:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="AjaxTest.aspx.cs" Inherits="AjaxTest" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
        </ajaxToolkit:ToolkitScriptManager>
    <div>
            <ajaxToolkit:AjaxFileUpload ID="ajaxUpload1" runat="server" OnUploadComplete="ajaxUpload1_OnUploadComplete" />
    </div>
    </form>
</body>
</html>

The codebehind file:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class AjaxTest : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void ajaxUpload1_OnUploadComplete(object sender,   AjaxControlToolkit.AjaxFileUploadEventArgs e)
    {
        string filePath = "~/SiteImages/" + e.FileName;
        ajaxUpload1.SaveAs(MapPath(filePath));
    }
}

Help is greatly appreciated!

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1 Answer

  1. Editorial Team

    I discovered the problem that I am having. I was trying to implement the functionality in a website versus a web app. I created a test web app platform and it worked flawlessly. I am a beginner to AJAX and did not realize that this would cause issues, however, does anyone know a solution to get this functionality to work in a website. I’m afraid that there is too much to easily port over to web app at this time.

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