<link rel="Stylesheet" type="text/css" href="CSS/uploadify.css" />

<script type="text/javascript" src="scripts/jquery-1.3.2.min.js"></script>

<script type="text/javascript" src="scripts/jquery.uploadify.js"></script>

<form id="form1" runat="server">

    <div style = "padding:40px">

        <asp:FileUpload ID="FileUpload1" runat="server" />

    </div>

</form>

<script type = "text/javascript">

$(window).load(

    function() {

    $("#<%=FileUpload1.ClientID %>").fileUpload({

        'uploader': 'scripts/uploader.swf',

        'cancelImg': 'images/cancel.png',

        'buttonText': 'Browse Files',

        'script': 'Upload.ashx',

        'folder': 'uploads',

        'fileDesc': 'Image Files',

        'fileExt': '*.jpg;*.jpeg;*.gif;*.png',

        'multi': true,

        'auto': true

    });

   }

);

</script>  

<%@ WebHandler Language="C#" Class="Upload" %>

using System;

using System.Web;

using System.IO;

public class Upload : IHttpHandler {

    public void ProcessRequest (HttpContext context) {

        context.Response.ContentType = "text/plain";

        context.Response.Expires = -1;

        try

        {

            HttpPostedFile postedFile = context.Request.Files["Filedata"];

            string savepath = "";

            string tempPath = "";

            tempPath = System.Configuration.ConfigurationManager.AppSettings["FolderPath"];

            savepath = context.Server.MapPath(tempPath);

            string filename = postedFile.FileName;

            if (!Directory.Exists(savepath))

                Directory.CreateDirectory(savepath);

            postedFile.SaveAs(savepath + @"\" + filename);

            context.Response.Write(tempPath + "/" + filename);

            context.Response.StatusCode = 200;

        }

        catch (Exception ex)

        {

            context.Response.Write("Error: " + ex.Message);

        }

    }

    public bool IsReusable {

        get {

            return false;

        }

    }

}

<%@ WebHandler Language="VB" Class="UploadVB" %>

Imports System

Imports System.Web

Imports System.IO

Public Class UploadVB : Implements IHttpHandler

    Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest

        Dim postedFile As HttpPostedFile = context.Request.Files("Filedata")

        Dim savepath As String = ""

        Dim tempPath As String = ""

        tempPath = System.Configuration.ConfigurationManager.AppSettings("FolderPath")

        savepath = context.Server.MapPath(tempPath)

        Dim filename As String = postedFile.FileName

        If Not Directory.Exists(savepath) Then

            Directory.CreateDirectory(savepath)

        End If

        postedFile.SaveAs((savepath & "\") + filename)

        context.Response.Write((tempPath & "/") + filename)

        context.Response.StatusCode = 200

    End Sub

    Public ReadOnly Property IsReusable() As Boolean Implements IHttpHandler.IsReusable

        Get

            Return False

        End Get

    End Property

End Class

<appSettings>

    <add key ="FolderPath" value ="uploads"/>

</appSettings >

<script type = "text/javascript">

$(window).load(

    function() {

        $("#<%=FileUpload1.ClientID%>").fileUpload({

        'uploader': 'scripts/uploader.swf',

        'cancelImg': 'images/cancel.png',

        'buttonText': 'Browse Files',

        'script': 'Upload.ashx',

        'folder': 'uploads',

        'fileDesc': 'Image Files',

        'fileExt': '*.jpg;*.jpeg;*.gif;*.png',

        'multi': true,

        'auto': false

    });

   }

);

</script>

<a href="javascript:$('#<%=FileUpload1.ClientID%>').fileUploadStart()">Start Upload</a>

<a href="javascript:$('#<%=FileUpload1.ClientID%>').fileUploadClearQueue()">Clear</a>