I need to upload files using ajax which has to be supported in IE9. I was using FormData as mentioned here. My code looks like this:
var files = new FormData();
JQuery.each($('#file')[0].files, function (i, file) {
files.append('file', file);
});
$.ajax({
type: "POST",
url: '/url',
cache: false,
contentType: false,
processData: false,
data: files,
...
});
This works fine in Safari and Firefox, but fails in IE9 as the FormData is not supported in IE9. I tried sending just as a file by setting:
data: $('#file')[0].files[0]
contentType: 'multipart/form-data'
This fails as the data is sent in url-encoded form and is cannot be parsed at the java side. Any help or pointer on how to solve this will be greatly appreciated. I need something that works across all browsers.
EDIT: I do not need any upload progress bar as the files are usually small. I do not need to upload multiple files. I just need a single file upload.
Ajax file uploadsA JavaScript method must be coded to initiate the asynchronous Ajax based file upload; A component must exist on the server to handle the file upload and save the resource locally; The server must send a response to the browser indicating the JavaScript file upload was successful; and.
Uploading Files in MVC using jQuery AJAX FormDataGo to File->New->Project. Give a suitable name to the Application. Click OK. As you can see in the above image, two files are sent to C# ActionMethod, and both will be uploaded now.
Unfortunately you cannot use Ajax (XMLHttpRequest
in other words) for sending files, but you can implement a similar behavior using the <iframe/>
with a <form method="post" enctype="multipart/form-data"/>
that contains an <input type="file"/>
which sends a user chosen file using the "natural" way. You can use javascript to call the form.submit()
then poll that <iframe/>
from parent document to check whether the file upload process is done.
jQuery
has a lot of cool plugins for getting this job done, there is my favorite one, for example.
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