Context.Request.Files Collection Empty On Remote Server Only?
Mar 28, 2011
I'm using a custom ashx handler to handle a file upload. When run locally, the file uploads fine.When I use the same setup on the web server I get a "Index out of range" error.In firebug I see the binary contents of the file in the post data and the file name is also passed in the query string.Any one seen this before?I`m sure its something minor, but its driving me up the wall.
Request header:
Key Value
Request POST /Secured/UploadHandler.ashx? HTTP/1.1
Accept text/html, application/xhtml+xml, */*
Referer http://cms.webstreet.co.il/Secured/fileUpload.aspx
Accept-Language he-IL
User-Agent Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
Content-Type multipart/form-data; boundary=---------------------------7db13b13d1b12
Accept-Encoding gzip, deflate
[code]...
I am using Asp.net and requirement specifies i use html input to post files to server rather than asp:fileupload.[ Reason : Add more html input file controls similar to CPanel file manager.(i.e) clicking on link adds another file input from which user can select another file*.But when ever i post back Request Files collection is always empty.* HTML FORM:
<form method="post" enctype="multipart/form-data" action="documents.aspx"> <div> <input type="file" name="attachment" id="attachment" onchange="validate(this)" /> <span class="none">Filename should be within (1-25) letters long. Can Contain only letters & numbers</span> <div id="moreUploads"> </div> <div id="moreUploadsLink" style="display: none;"> <a href="javascript:addFileInput();">Attach another File</a></div> <input type="submit" id="btnSubmit" /> </div> </form>
Javascript:
var upload_number = 2;function addFileInput() { try { var fileUpload = document.getElementById("attachment"); var elemSpan = nextElement(fileUpload).cloneNode(true); var elemDiv = document.getElementById("moreUploads"); var d = document.createElement("div"); var file = document.createElement("input"); file.setAttribute("type", "file"); file.setAttribute("id", "attachment" + upload_number); file.setAttribute("onchange", "validate(this)"); d.appendChild(file); d.appendChild(elemSpan); elemDiv.appendChild(d); upload_number++; } catch (err) { alert(err);}}
the validate(this) is a function that validates file types on client.When validation succeeds then the link to add more file inputs is enabled. Could someone throw somelight on this.
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[code]....
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