Preview image file upload

Question

0.00/5 (No votes)

See more:

i am using wizard in asp.net .
i have image upload on all steps
for display image i am using this script shown below

C#

<script type="text/javascript">
        function previewFile() {
            var preview = document.querySelector('#<%=ImgFmlyPhoto.ClientID %>');
            var file = document.querySelector('#<%=FUFmlymbr.ClientID %>').files[0];
            var reader = new FileReader();

            reader.onloadend = function () {
                preview.src = reader.result;
            }

            if (file) {
                reader.readAsDataURL(file);

            } else {
                preview.src = "";
            }
        }
</script>

<asp:FileUpload ID="FUFmlymbr" runat="server" onchange="previewFile()" type="file" name="file"/>

problem is when i browse image on step1 picture is displayed but when i go to step 2 and again i come to step 1 so there is no image.

please help .............

Posted 14-Sep-14 21:37pm

Member 11014751

Updated 16-Sep-14 2:01am

Nelek

v2

Add a Solution

Comments

Member 11014751 15-Sep-14 5:52am

Any One please Help

ZurdoDev 15-Sep-14 8:09am

This does not make much sense. You'll have to debug it and find out exactly what is happening.

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Anand Kumar Devendran · Answer 1 · 2014-09-16T00:05:00

Solution 1

thought u need like this

http://www.aspdotnet-suresh.com/2014/03/jquery-preview-image-before-upload-using-fileupload.html[^]

AnandKumar Devendran

Posted 16-Sep-14 0:05am

Anand Kumar Devendran

MukeshSagar · Answer 2 · 2014-09-16T01:17:00

Use the Sample Code as :

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery Preview Image before upload</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.js"></script>
<script type="text/javascript">
function Preview(input) {
if (input.files && input.files[0]) {
var filerdr = new FileReader();
filerdr.onload = function(e) {
$('#imgprvw').attr('src', e.target.result);
}
filerdr.readAsDataURL(input.files[0]);
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="file" name="filUpload" id="filUpload" onchange="Preview(this)" />
</form>
</body>
</html>