Sunday, 22 December 2013

How to Upload Multiple File with Progress Bar in Asp.Net using Jquery





Description:-

            In Pevious we Already Explain How to Upload Multiple File in Database in MVC now we Explain How to Upload Multiple File in SqlServer Database Using Jquery in Asp.Net.

Here We use Generic Handler Class to Upload Multiple File in database.before we Explain we First understand the what is Generic handler Class.

What is Generic handler Class:-

            Generic handler is nothing but a same like aspx page and the extention of this file is .ashx.Generally Generic Handler class are used to Response the Request and Request is Proceed by the page Handler. You can also create your own HTTP Handler and that renders the output to the browser.

In this Example we Provide Facility to user to Browse a Multiple File at a time and Uploading all Browse File at a time with Prgressbar Facility same like provide in GMAIL when we send the Email with Atteched the File. This is simply done with JQuery and we will Requst the Response using Generic Handler.


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TriggerUpload.aspx:-



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

<!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>
 <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>
</head>
<body>
        <form id="form1" runat="server">
            <a href="javascript:$('#<%=FileUpload1.ClientID%>').fileUploadStart()">Start Upload</a>&nbsp;
           |&nbsp;<a href="javascript:$('#<%=FileUpload1.ClientID%>').fileUploadClearQueue()">Clear</a>
            <div style = "padding:40px">
                <asp:FileUpload ID="FileUpload1" runat="server" />
            </div>
        </form>
</body>
</html>
<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>



Upload.ashx:-


<%@ 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;
        }
    }
}
 

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