MVC3 File upload Problem

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I have created file uploader through MVC, jQuery, Ajax.But it is working
fine for 1-3kb(file size) only , for more size it is not working .Please help
how to upload lager size file

---html part--

HTML

<input type="file" name="bfile"  size="50" id="bfile"/>
<input type="butt

---AppAttachmentsController--controller code---

C#

public string file_upload(string file_name, string file_binary)
       {

           byte[] byteArray = System.Text.Encoding.ASCII.GetBytes(file_binary);
           MemoryStream stream = new MemoryStream(byteArray);
           string path=Server.MapPath(Url.Content("~/upload/file"))+"\\"+file_name;
           using (var fileStream = new FileStream(path, FileMode.Create))
               stream.CopyTo(fileStream);

           return "1";
       }

-----jQuery, Ajax-----

 function AttachemtPost() {
    var file_name = $("#bfile").val();
    var data = "file_name=" + file_name;
    var file = document.getElementById('bfile').files[0];
    var file_binary = file.getAsBinary();
    var file_size = file.fileSize;
    var file_text = file.getAsText("");
    alert('file :' + file_binary);
    alert('file size:' + file_size);
    data = "file_name=" + file_name + "&file_binary=" + file_binary;
    ajaxlocalcall2(null, "POST", '@Url.Content("~/AppAttachments/file_upload")', data, "", "", "html", "oncontactinfosave");
}

-----------------------------------

Posted 22-May-12 20:09pm

dear.banerjee

Updated 22-May-12 20:12pm

Wendelius

v2

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Comments

Sandeep Mewara 23-May-12 3:45am

What error do you get? What exactly is the page displayed in case of failure?

dear.banerjee 24-May-12 3:48am

No..error.when File more than 3-4 kb controller getting null or 1 or 2 garbage character

2 solutions

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nachiket03 · Answer 1 · 2012-05-23T00:32:00

Solution 1

try this

C#

HttpPostedFile myFile = filUpload.PostedFile;
                int nFileLen = myFile.ContentLength;
                if (nFileLen == 0)
                {
                    lblOutput.Text = "There wasn't any file uploaded.";
                    return;
                }

Posted 23-May-12 0:32am

nachiket03

Comments

dear.banerjee 24-May-12 3:49am

where to write the line ?

nachiket03 24-May-12 3:53am

you can write on click event of the upload button control

nachiket03 24-May-12 3:51am

you can write on click event of the upload button control

sravani.v · Answer 2 · 2012-05-23T01:17:00

Solution 2

Try this:

In web.config file increase the "maxRequestLength" property of HttpRunTime.
like

<httpRuntime maxRequestLength="1024000"/>

Posted 23-May-12 1:17am

sravani.v

Updated 23-May-12 1:20am

v2

Comments

nachiket03 24-May-12 3:11am

does it works

dear.banerjee 24-May-12 3:49am

I tried this also but not solve