C# cannot access a closed file

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August undefined, 2024

You might be closing the stream before doing anything with it. What happens when you run this: using (fileStream = new FileStream (path, FileMode.Append, FileAccess.Write)) { fileWriter = new StreamWriter (fileStream); fileWriter.AutoFlush = true; doubleWriter = new DoubleWriter (fileWriter, oldOut); } Share. WebJul 23, 2007 · (Cannot access a closed file.) The size in bytes of the stream from the session appears to be correct before the XmlReader is called. [ObjectDisposedException: Cannot access a closed file.] System.IO.__Error.FileNotOpen() +56 System.IO.FileStream.Seek(Int64 offset, SeekOrigin origin) +1945963

c# - FileStream "cannot access closed file" - Stack …

WebMay 5, 2014 · Cannot access a closed file when using FileStream.CopyToAsync? public Task SaveFileContentsAsync (string filePath, Stream stream) { using (var fileStream = new FileStream (filePath, FileMode.Create)) { return stream.CopyToAsync (fileStream); } } This method simply saving the stream into disk. WebAug 17, 2024 · I'm trying to build a zip file that contains other zip files, the internal zip files contain XML files serialized from data model objects. ... Cannot access a closed Stream. at System.IO.MemoryStream.Read(Byte[] buffer, Int32 offset, Int32 count) ... Where: Try to post in proper subforum, all forums here are for C# questions. How: Explain the ... the anatomist\u0027s wife series

IFormFile.OpenReadStream C# (CSharp) Code Examples

WebCaught: Cannot access a closed Stream. Remarks. An ObjectDisposedException is thrown when you try to access a member of an object that implements the IDisposable interface or IAsyncDisposable interface, and that object has been disposed. Typically, this exception is caused by one of the following conditions: WebAug 17, 2024 · The cause of the error may be the Using statement, which closes the stream at the end of the execution of the code block. If you need to perform certain operations on the stream, you need to put these operations inside the using statement. Best Regards, Timon MSDN Community Support WebFeb 5, 2015 · C# //File.Open (str1, FileMode.Open, FileAccess.Read, FileShare.None); using ( var writer = new StreamWriter (responsestream)) { writer.Write ( "" ); } sr.Close (); sr.Dispose (); Or, better yet, wrap everything up in using statements. Help this helps, Fredrik Posted 13-Nov-13 2:04am Fredrik Bornander Comments pradip2609 13-Nov-13 8:11am thegardenvegetable

create a new xlsx and write to memory stream #171 - Github

Webprivate IFormFile ReturnFormFile (Image image, string thumbnailName) { IFormFile file = null; using (MemoryStream ms = new MemoryStream ()) { image.Save (ms, ImageFormat.Jpeg); file = new FormFile (ms, 0, ms.Length, "name", thumbnailName); ms.Seek (0, SeekOrigin.Begin); using (System.IO.MemoryStream memStream = new … WebOct 23, 2013 · Please suggest how to get away with this issue. 3 solutions Top Rated Most Recent Solution 1 First check if the file exists (File.Exists) if so try to open for write within try and catch block, if exception is generated then it is used by another process. However finding something through exception is not the best way! Posted 20-Jan-13 19:07pm the garden venue fourwaysWebMay 13, 2010 · After going through MSDN i found that there is one new element added in ASP.NET 2.0 known as httpRuntime. So i just added this new Tag in my web.config and every thing was right. 1. . 2. . 3. . the garden view cafe\u0026restaurant

"WebJul 5, 2024 · Getting "Cannot access a closed file" errormessage when getting file from session c#asp.netfile-uploadhttppostedfile 22,917 Solution 1 add this to your web.config file " - C# cannot access a closed file

C# cannot access a closed file

c# - FileStream "cannot access closed file" - Stack Overflow

WebOct 1, 2015 · "Cannot access closed file" Here is my c# code file.SaveAs (Path.Combine (HttpContext.Current.Server.MapPath ("~/" + FolderName + "/"), strfilename)); In web config i have done this settings HTML XML WebWhen and StreamReader is button (after quitting and using), itp closes it's underlying run as well, so now the MemoryStream the closed. When the StreamWriter receives closed, it tries to flush everything to the MemoryStream, but it will closed. You should consider not pushing the StreamReader for a using block. Share Improve this answer Follow

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WebApr 12, 2024 · C# : Cannot access a closed Stream while creating a downloadable text file in ASP MVC 3 To Access My Live Chat Page, On Google, Search for "hows tech developer connect" It’s cable... WebThis is because the StreamReader closes of underlying stream automatized when be disposed about. The using statement does this automatically.. However, the StreamWriter you're using is static trying to work on to stream (also, the using account for the writer is now test to dispose for the StreamWriter, which remains then trying till finish the stream). ...

Webpublic async Task Create (Guid userId, [FromForm] CallRecordRequest request, [Required] IFormFile file) { var callRecord = m_Mapper.Map (request); callRecord.OwnerId = userId; var fileBytes = IOExtensions.StreamToBytes (file?.OpenReadStream ()); var saveResult = await m_CallRecordManager.Instance.SaveFileAsync (callRecord, file?.FileName, … WebJan 4, 2024 · C# Excel formula With the FormulaA1 property, we can insert a formula in the cell. Program.cs using ClosedXML.Excel; using var wbook = new XLWorkbook ("data.xlsx"); var ws = wbook.Worksheet (1); ws.Cell ("A8").FormulaA1 = "SUM (A1:A7)"; ws.Cell ("A8").Style.Font.Bold = true; wbook.SaveAs ("data2.xlsx");

WebDec 22, 2011 · cannot access a closed file in asp.net 0.00/5 (No votes) See more: ASP.NET When I am uploading a file then it give the error at folder name.The error is …

WebJun 8, 2010 · Cannot access a closed file is already explanatory. You are closing the stream before the mail is sent. If you still can not make it out, post your code and some one would pin point to it. Posted 8-Jun-10 2:47am Manas Bhardwaj Comments Frank Nye 8-Jun-10 9:16am Here is the code: the anatomy act manitobaWebDec 21, 2011 · cannot access a closed file in asp.net 0.00/5 (No votes) See more: ASP.NET When I am uploading a file then it give the error at folder name.The error is cannot access a closed file. VB fuDocument.SaveAs (Server.MapPath ( "~/Attachments/") & DocName) How we can solved this error. Please help me. Thanks Posted 22-Dec-11 … the anatomist\u0027s wifeWebSep 30, 2015 · after storing the file in the session then i am retrieving the files from the session and storing it .When i try to save file which is more than 10 mb i get this error "Cannot access closed file" Here is my c# code file.SaveAs(Path.Combine(HttpContext.Current.Server.MapPath("~/" + FolderName + … the garden village caféWebApr 23, 2014 · the problem of textfiles is you can't choose access point to your file by other word you will have to read the entire text string filepath = System. Environment .GetFolderPath ( Environment. SpecialFolder .Desktop) + "\\test.txt"; using ( StreamReader sr = new StreamReader (filepath)) { string line; while (!sr.EndOfStream) { line = … the garden venue randburgWebDec 30, 2024 · when reading the file using FileStream, the Save method works fine even when the stream is disposed/closed however, when using MemoryStream, the Save method will throw an exception because the stream is disposed/closed. why the difference in behavior? class Program { static void Main ( string [] args) { Document document; the garden venue boutique hotel northridingWebMar 24, 2024 · I have to create a new xlsx from server side (without save it on server side), but I have to download the file on client side. I have this error " Cannot access a closed Stream" This is the code. Any suggestions? [HttpGet] public async Task DownloadXLS() {try the anatomy act 1832WebThe issue is some files are uploaded successfully while others create errors. This is the exact error msg from the log: [ERROR]: Cannot access a closed file. the anatomist movie