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Cannot access a closed stream memorystream c#

WebFeb 25, 2010 · The problem is that the stream is closed (via Dispose ()) at the end of the using block. You retain a reference to the closed stream. Instead, save the contents of the stream to your cache: _cache.Add (someId, stream.ToArray ()); When you call the PngBitmapDecoder constructor, you'll have to create a new MemoryStream to read from …

c# - Cannot access a closed stream while sending attachment

WebThis is because the StreamReader closes of underlying stream automatized when be disposed about. The using statement does this automatically. However, the StreamWriter … WebApr 20, 2011 · First try to load the document from MemoryStream then close XmlTextWriter Do it like this: XmlDocument X= new XmlDocument () x.Load (MemoryStream) XmlTextWriter .Close () Posted 20-Apr-11 23:01pm Ankit Rajput Updated 20-Apr-11 23:02pm v2 Comments zsh64 21-Apr-11 5:35am If i do it Gives the following message … frankie seaman pics https://delenahome.com

Can Json.NET serialize to stream with Formatting?

WebApr 22, 2024 · In my C# api I am returning a pdf file in a FileStreamResult, works great. Generally I wrap streams in using, however this code fails with Cannot access a closed Stream. using (MemoryStream stream = new MemoryStream (byteArray)) { fileStreamResult = new FileStreamResult (stream, "application/pdf"); } return … WebDec 28, 2024 · When I debug the code it runs fine, but when I run it on the Test server, I get the following error: System.ObjectDisposedException: Cannot access a closed Stream. at System.IO.__Error.StreamIsClosed () at System.IO.MemoryStream.Write (Byte [] buffer, Int32 offset, Int32 count) WebDec 31, 2016 · If it was created from a Stream it will access that original stream during the save operation. So the exception is not due to your memorystream you supplied in the save method, it is the original stream that is the culprit. Make sure you keep that stream available until all operations you want to do on the Workbook are completed. Share Follow blaze wear socks

c# - Cannot write to new MemoryStream - Stream closed - Stack Overflow

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Cannot access a closed stream memorystream c#

c# - MemoryStream - Cannot access a closed Stream - Stack …

WebAug 4, 2024 · So I am getting a Stream back from an http call and if I just assign it to my return variable then I get an exception Cannot access a closed Stream in the calling function. Is this because of the Using? ... C# Cannot access a closed stream while copying GZipStream to MemoryStream. WebJul 6, 2013 · Here is my code: private FileStreamResult Export () { string name = "filename.txt"; MemoryStream stream = new MemoryStream (); using (StreamWriter writer = new StreamWriter (stream)) { StringBuilder sb = new StringBuilder (); sb.Append ("A text..."); writer.WriteLine (sb.ToString ()); } return File (stream, "text/plain", name); }

Cannot access a closed stream memorystream c#

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WebOne simple approach is to get the byte array out of the closed MemoryStream and create another one: pdf.CreatePDF(ms) ms = new MemoryStream(ms.ToArray()) Dim email As New EmailService email.Send(ms) Note that it's fine to call MemoryStream.ToArray on a closed / disposed instance of MemoryStream. It's even documented: Note WebNov 14, 2024 · Same result...Cannot access a closed Stream on this line: await graphClient.Me.Drive.Items ["item-id"].ItemWithPath ("NewDocument-2.pdf").Content.Request ().PutAsync (ms); The PutAsync is expecting a Stream as well So when I do this:

WebJul 20, 2024 · Memory stream is always closed ' cannot access a closed stream; var stream = new MemoryStream (); workbook.SaveAs (stream); however it trips up every single time throwing this exception: ReadTimeout = 'stream.ReadTimeout' threw an exception of type 'System.InvalidOperationException'. writeTimeOut= … WebYou're creating the MemoryStream in a using block. When the block goes out of scope the Dispose method is being called. Just remove the using so that it isn't closed:

WebMay 19, 2014 · When client.Send tries to send it will obviously read Attachment which points to a MemoryStream which has be already closed by StreamWriter. You can verify this by inspecting ms.CanRead It will return false. Accessing closed stream will throw exception, that's what you're experiencing. 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 ...

Web2 Answers. The stream was closed as soon as you exited the action method, or rather, the using ( var ms = new MemoryStream () ) { block. You don't need to dispose the …

WebAug 12, 2016 · 1 Answer. Sorted by: 5. You're disposing of the MemoryStream because you're using a using block. By the time you try to use the return value later in your code, it's unavailable. using (MemoryStream ms = new MemoryStream ()) { ImagenCopia.Compress (Bitmap.CompressFormat.Jpeg, 40, ms); return ms; } Remove the using statement: frankies factory terry hillsWebJul 17, 2015 · you do not need the memory stream try something like string excelLocation = Path.Combine (taskpath, "Test_Output.xlsx"); FileStream sw = File.Create (excelLocation); wb.Write (sw); sw.Close (); Share Follow answered May 14, 2024 at 17:56 Sarah Akram 1 1 Add a comment Your Answer Post Your Answer frankies dogs on the go new yorkWebOne simple approach is to get the byte array out of the closed MemoryStream and create another one: pdf.CreatePDF(ms) ms = new MemoryStream(ms.ToArray()) Dim email As … frankies crestline ohio