Check The File Size - Before Uploading

Mar 31, 2011

<html>

This code is not working, i click the size button nothing is happen i checked ActiveXObject is not working i am using IE.

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Validate File Size Before Uploading To Server

Jun 14, 2011

In JSP / HTML, I want to restrict the size of file being uploaded.

If the size of file more than a specific size say 5MB, i want to give mesage to the user. I don't want to wait till the file gets uploaded to server and then validate the file size. I need client side validation. Can it be done using scripting language or any other way?

I need a solution for this in Internet Explorer. There is already a solution I got using ActiveX control:

But ActiveX controls not allowed in our application. Is there any alternative way for this?

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How To Check The Input File Object File Size On Client Side?

Dec 20, 2004

I have a form with three Input File form objects in which the user can add image files. But I am worried about the problems these controls can lead, because to check the file size the server needs to receive the entire file, so serious problems may happen, for example:

1. Malicious user trying to collapse the website sending big files.

2. Users that have not seen the warning “Maximum size: 100 KB&#65533; for each image, and try to send three image files consisting in 1,5 MB each one. These users will have a bad experience waiting one hour or more to upload the images, and after that receive an alert saying “Oooops! Your image files are too big.&#65533; And also, web server will waste an important amount of resources. The same case with 100 users at the same time can be a nightmare!


I have been searching a way to check the file size on client side without having to force user to install anything, but I think that there isn’ t nothing to do with javascript. But I found an interesting PHP article that explains a way to do it with this server side language. The technique consists in:

“A hidden field (measured in bytes) that precede the file input field, and its value is the maximum filesize accepted. This is an advisory to the browser, PHP also checks it. This form element should always be used as it saves users the trouble of waiting for a big file being transferred only to find that it was too big and the transfer failed. Code:

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How To Check File Size Of A Jpeg?

May 14, 2006

I want to do a check on whether the broswer has finished loading the jpeg before showing the jpeg file to the user. I wish to replace the jpeg with a loading progress bar gif image. How can i start off doing this script?

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JQuery :: Check File Size Before Send To Server?

Sep 5, 2010

i want to check size of file before send to server by javascript (jquery). who can give me some idea about that.

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Limit Upload Size Before Uploading

Sep 7, 2010

How to limit file size before uploading it? This script works fine, but you have to configure first your browser to make the alert window appear. Which is not good at all This script only runs in IE6/7/8.

function IELimmit(calculate)

How to make the alert window appear without any browser configurations?

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AJAX + Php + File Uploading

Jan 29, 2006

I'm writing script using AJAX and PHP to upload files. I'm trying to
create progress bar to show how many bytes have been already uploaded to
server.

Can I get the total file size (using JS) before sending it to server or
immediately after start sending it?

And how to obtain amount o bytes that have been already transfered to
server using JS? I know how to do it in PHP (XMLHttpRequest to php file
that counts temporary file size), but is it possible in JS?

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Uploading Text File On Server

Mar 2, 2011

I am uploading text file on html page, that text file lies on desktop and getting updated at every hour. I will keep my html page on server so how will it upload that text file from my desktop ? it is being generated by one cloud sensor .

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Uploading A File And Displaying Progress Bar?

Jul 6, 2011

I have searched the web for many tools to upload a file and shows it progress, but they all seem to use, flash, codebehindfiles, php etc.

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JQuery :: Setting Accept When Uploading File?

Mar 21, 2011

I'm trying to upload a form via jquery forms plugin. Here's the form:

<form method="post" action="<spring:url value="/grouplist/uploadavatar.do" />" enctype="multipart/form-data" id="formUploadAvatar">
<table width="100%">
<tr>
td width="25%" style="padding-top: 30px; margin-top: 30px; ">

[Code]...

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Display Upload Info When Uploading A File ?

May 16, 2009

I found a web site that when uploading a file that could show status info.

As the attached image showed.

It seems that it is using pure javascript + dom only. But I can't found that javascript support displaying transfer info, including file size, transfer rate, etc. How can I archvie the simliar effect.

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Uploading A Saved Html File To The Page?

Mar 4, 2011

I have a problem with uploading files. I need to save the html file below to my hard disk or USB drive so that I can again upload it and then continue to add some more data to the fields. Here are the codes:

The input.html file:

<HTML>
<HEAD>
<TITLE> TESTING FILE UPLOAD</TITLE>

[code].....

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Page Loading / File Uploading - Spinning GIF Pop Up / Screen Fade

Mar 26, 2010

This might be a combo Javascript / CSS question I'm building a website, and I'm wanting to have small, approx 100px x 100px pop up display that has a "page loading" spinning gif. I also want the page to fade out while this image is displayed. For instance, someone submits a form that takes 3-4 seconds to load. Once they hit submit, the screen darkens, the new window comes into focus, center of screen, and it has some kind of rotating gif, basically a trigger 'on submit'..

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Limit File Size Or Request Size

May 27, 2010

I developed a web application and it is working fine, except for one issue. The application includes uploading files from a JSP to my servlet, and the issue is that i would like to have a limit for the uploaded files on the client side (before actually uploading it).

I investigated alot and found some ways like changing my JSPs to PHPs, which is not feasable for my application. I would also like to add that using the Flash component ("<object>") for uploading is not feasable also at this time. Using ActiveX does not work also (for some security issues in javascript, it can not access the system information, also ActiveX works only on IE).

I would like to add that I have my application running on Oracle application Server, JSPs for displaying the forms, MultiPart Java API for getting the form input values and files to my servlet and everything is developed in JAVA.

Either by limiting the file size or the limiting the whole request size sent to the servlet.

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AJAX :: File Uploading - Passes Form Field Values To A PHP Script Which In Turn Saves Data To My Database

Nov 24, 2011

I have an ajax function which passes form field values to a PHP script which in turn saves the data to my database. all works great.

I now need to add a file input to my form and pass the file upload ot the same PHP script.

I have read an article [url] which explains how to do this but this would suggest it is a completely separate function.

My question is, is there anyway I can expand my existing function (below) to inlude the file upload process to save having 2 functions doing the same process?

My Code:

Code:

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JQuery :: Get File Path & Size Of The File To Upload In Internet Explorer 7?

Sep 1, 2011

I'm trying to put in place a file upload validation check. So at the client-side, the User selects a file. Before uploading, at the GUI, if the file exceeds an imposed limit, it will prompt the User that it exceeds the permitted size for upload.

And if it is within the permitted size, the full file path of the file to be uploaded will then be obtained and then used for the actual upload to the Server.

My program is built on EXTJS and Java, running using Tomcat. Browser restricted to Internet Explorer 7 only.

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JQuery :: Mulit File Upload Plugin - Determining File Size?

Jun 2, 2011

I am using jquery Multifile upload plugin, I want to show the client a pop messages if he/she crosses certain size while uploading files..

<html>
<head>
<script src="/js/jquery.MultiFile.js" type="text/javascript" language="javascript" target="upload_target"></script>
<script>

[code]....

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JQuery :: Finding Out Size Of A File In Input Type=file In IE?

Nov 29, 2011

I've got a major headache with IE in that I have a support form that allows users to submit tickets with files which is then emailed off.

Using javascript, jQuery and PHP I have everything under control with all of our favourite browsers - but then comes along IE.

support.php
...
<!-- file -->
<div class="fileUploadEntry">

[code]....

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How To Get / Check Size Of DIV

Jul 18, 2009

I am wondering if it's possible to run a bit of Javascript to check the size of a div with an assigned class. For example - I'm running a vBulletin forum and users can't have a signature above 400px in height. So, when the page renders, I would like to run a javascript condition that checks to see if the height exceeds 400px. If so, add style="overflow:hidden; height:400px" to the div.

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JQuery :: Check File Extension When User Sets It In The File Input?

Apr 20, 2010

is there a way to assign an event to a file input so that when a user selects a file to upload the event is triggered and i can check out the file extension? The reason why is simple, i want to perform different actions depending on the type of the file.

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File Size

Jul 23, 2005

Can JavaScript detect the size of an image file?

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Getting The Size Of A File

Jul 23, 2005

I have some links to files (.zip, .rar...) and i would like to get its size
could you say me how to do or give me some references?

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File Size...

Jul 23, 2005

I have developed an upload tool, that allows users to upload files (funny
that). The asp form object has a 'SizeLimit' property that can be set, to
prevent files being uploaded, that are too large. Is there a way in
Javascript, to interrogate the file size before the form is posted, so that
the validation can be done before trying to post the form.

The only information I can find, on file size, relates to images. But any
file can be uploaded through this tool, so I also need to determine the size
of other binary and text files.

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How Do I Detect The File Size?

Mar 22, 2006

I need to detect the size of a file entered via input type file. How do I do this? Also it should work on both IE and FireFox.

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File Size On Client?

Dec 16, 2000

I know there are restrictions on the client side in this regard, but thought I would ask. Can you determine a files size on the client? I purchased one of those upload to server applications. But I do not want to send large files. Their application only allows me check the side after sending the file to the server (after the fact). I need to know the size before hand. Just like validating text in a textbox before submission, I want to check the file size on the client before submission. Is there any way to do this on the client?

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Size Of Tmp Uploaded File

Feb 1, 2010

I'm trying to make some kind of progress bar using AJAX and PHP.

I want to check the size of tmp file (before it moves to the destination dictionary) during it's being uploaded.

Is that possible to check the file size of tmp file that is being created when someone click on upload form button, before it's fully uploaded.

I noticed that you can do it only after the file is already uploaded so only after isset($_FILES['name_of_file']) will give the truth.

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