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Cannot Access A Closed File Filestream


If yes pay attention to not close this before you put the string to the inputstream. What now? hementkmr Oct 07, 2008 at1:27AM developer said:Hi I had this issued when migrating myASP.Net 1.1 site to ASP.Net 2.0. I found that I couldn't receive file uploads larger than around 80K. navigate here

I can successfully upload file to store in session, but when I am tring to get its inputstream (I'm store file in HttpPosterFile) I'm getting error Cannot access a closed file Regards, Walter Wang (wa****@online.microsoft.com, remove 'online.') Microsoft Online Community Support ================================================== When responding to posts, please "Reply to Group" via your newsreader so that others may learn and benefit from your More information: I examined CREATEs using FileMon and the temp files are being created as described when the requestLengthDiskThreshold setting is less than the uploaded file size. There is a new attribute to the httpRunTime element in the web.config for ASP.Net 2.0 that specifies a disk buffer. http://stackoverflow.com/questions/20468005/getting-cannot-access-a-closed-file-errormessage-when-getting-file-from-sessio

Cannot Access A Closed File Filestream

Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Skip to content All about Web and Cloud Blog posts on Thanks Walter. Whis these ones I got my problem solved. By this I mean that files that are smaller than the requestLengthDiskThreshold will upload, while files larger than the requestLengthDiskThreshold setting throw the "Cannot access a closed file" exception.

PhatBoyG Sep 01, 2005 at7:37AM What size of files are you uploading? If you use FileMon to monitor the asp.net worker process, you will notice when the uploaded file's size exceeds requestLengthDiskThreshold, a temporary file gets created at such as: C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temp orary ASP.NET But I’m getting “Cannot access a closed file.” errorpublic class UploadFile { private HttpPostedFile _postedFile = null; private string _destinationFolderPath = string.Empty; private string _filename; public HttpPostedFile PostedFile { get { Requestlengthdiskthreshold I also have read some similar problems here: http://channel9.msdn.com/ShowPost.aspx?PostID=106570 I guess you're reading directly from the stream?

ASP.NET 2.0 FileUpload control Browse more ASP.NET Questions on Bytes Question stats viewed: 11833 replies: 12 date asked: Aug 15 '06 Follow this discussion BYTES.COM 2016 Formerly "TheScripts.com" from 2005-2008 String fileName = FileUpload1.FileName; // Append the name of the file to upload to the path. Your Email This email is in use. https://forums.asp.net/t/1397944.aspx BenRush ....are you threateningme?!!?!

What now? Cannot Access A Closed File Mvc Then it works fine unless the file is over ~55kb. requestLengthDiskThreshold="8192" in web.config resolved the issue and again not so obvious when researching online via Google. Sincerely, Steven Cheng Microsoft MSDN Online Support Lead This posting is provided "AS IS" with no warranties, and confers no rights.

Httppostedfilebase Cannot Access A Closed File

This behavior is expected because: When the uploaded file's content is bigger than RequestLengthDiskThreshold, a temporary file is created which is associated with current Request. http://www.codeproject.com/Questions/304558/cannot-access-a-closed-file-in-asp-net Please help me. Cannot Access A Closed File Filestream Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Cannot Access A Closed File Itextsharp Actually, the "RequestLengthDiskThreshold" feature added in 2.0 is to address some potential memory issue when uploading large files in ASP.NET application.

If I receive written permission to use content from a paper without citing, is it plagiarism? check over here For your scenario, since you want to keep a reference to the uploaded file content in session state, is this a frequent operation in your web application? UploadStatusLabel.Text = "Your file was saved as " + fileName; } else { // Notify the user that a file was not uploaded. This will allow us to make use of the new memory management capabilities provided with the RequestLengthDiskThreshold. System.objectdisposedexception: Cannot Access A Closed File.

I found that I couldn't receive file uploads larger than around 80K. In each case if the requestLengthDiskThreshold is set to less than the file size it fails, and if it's more than the file size it succeeds. Yes, you're right. http://mediastartpage.com/cannot-access/cannot-access-a-closed-file-vb-net.html Center trace between two pads Why are Squibs not notified by the Ministry of Magic The nth numerator Is "she don't" sometimes considered correct form?

Not the answer you're looking for? Requestlengthdiskthreshold Maxrequestlength Yes, uploading large file is both memory and time consuming at ASP.NET layer, that's also why there are some ones who will use RAW ISAPI filter for file uploading. Since you're saving the file to a network path, I guess you must be using impersonating, right?

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The code is distributed through our app a bit, but we retrieve the HttpPostedFile from the FileUpload control and then send the HttpPostedFile to another function that performs the save: HttpPostedFile Previously, I had set the maxRequestLength attribute in the machine.config file to allow 100MB uploads with success. Ismael Hernández Keps Tanks man…. Requestlengthdiskthreshold Maximum Value It seems that the underlying HttpInputStream doesn't like having it's data read - as doing it manually also results is errors, it fails on the highlighted line: using(FileStream stream1 = new

But with this configuration in place if you try to upload a file of lets say 10001 kb in size you will not get an error. SOLUTION - Save the posted file in a session as u press the upload document button you created, something like this - protected void btnUploadDocument_Click(object sender, EventArgs e) { Do you think it possible that we put a temp sub folder in our web application and always explicitly save the HttpPostedFiles into that folder as a temp file(adding some identity weblink more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Sincerely, Walter Wang (wa****@online.microsoft.com, remove 'online.') Microsoft Online Community Support ================================================== Get notification to my posts through email? Could you please post your code listing here? If you're deploying publicly youshould be aware that increasing these settings can make your site more vulnerable to a DoS attack. Here I am redirecting the page to an error page with the size of the file that the user was trying to upload.

But it works when running from my IDE so not sure. After deploying it to IIS, when i access the site from the deployed Url... what should i do to make files above 80kb work?? RequestLengthDiskThreshold: controls whether the request is temporarily stored in memory or on disk while being processed.

Could you please post your code listing here? FIGHT -2 - Error - Cannot access Closed File SOLUTION- maxRequestLength, an attribute which governs the size of file being uploaded might have not been updated. to increase it ,< httpRuntime maxRequestLength="20000" /> within the tag in the web.config (put the value as required) The problem might still persist , the root lies in requestLengthDiskThreshold attribute

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