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file upload results in download window in firefox and IE

Posted on 2009-05-06
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Last Modified: 2012-05-06
I am using this jquery code:

var options =
                {
                    url: '../Account/Upload',
                    type: 'POST',
                    contentType: 'multipart/form-data',
                    dataType: "text",
                    error: function(XMLHttpRequest, textStatus, errorThrown) {
                        ...
                    },
                    success: function(data) {
                        ...
                    },
                    beforeSend: function() {
                        ...
                    },
                    semantic: false
                };

            // bind form using 'ajaxForm'
            $('#item_form').ajaxForm(options);

to upload files to the server, which works fine. I am using the forms plugin and the multifile upload plugin. I believe that the former plugin uses the 'iframe approach' to allow file upload. Unfortunately, I get file download popups in my browsers (tried firefox and IE) after the upload. E.g. firefox "You have chosen to open ...". I believe this has to do with the iframe stuff. Is there a way to avoid these pop ups?

Thanks.

Best wishes,

Christian
0
Comment
Question by:csetzkorn
  • 4
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7 Comments
 

Author Comment

by:csetzkorn
ID: 24325752
Thanks for that. Do you know how to change the headers to be
content type HTML (as mentioned in this article)?

Thanks.
0
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 24325854
What is your server language? PHP/ASP/.NET?
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Author Comment

by:csetzkorn
ID: 24325893
I am using ASP.NET MVC

code:

[AcceptVerbs(HttpVerbs.Post)]
        public JsonResult Upload
        (
            HttpPostedFileBase file
)
{
 // save files works fine
}
0
 

Author Comment

by:csetzkorn
ID: 24326013
This is what I get in Firefox after the upload - something similar occurs in IE.

I have also noticed that I can only retrieve the other standard form elements on the server side if the user chooses at least one file. Not sure why. The JSON data are send either way (detected via Firebug).

C
untitled.JPG
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LVL 75

Accepted Solution

by:
Michel Plungjan earned 2000 total points
ID: 24326082
0
 

Author Comment

by:csetzkorn
ID: 24326550
Thanks. It was actually easier than that:

AcceptVerbs(HttpVerbs.Post)]
        public string Upload
        (
            HttpPostedFileBase file
)
{
 // save files works fine
}
0

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