Cannot access to closed stream c#

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August undefined, 2024

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 … WebDec 31, 2016 · 3. I am getting the "Cannot access a closed Stream" when I am trying to save a ClosedXML Workbook (XLWorkbook) to a memory stream. public byte [] GetStream () { using (var stream = new MemoryStream ()) { Workbook.SaveAs (stream); return stream.ToArray (); } } As far as I can understand there is a problem within the ClosedXml …

c# - Getting error when saving a file: Cannot access a closed Stream ...

WebApr 20, 2011 · Solution 2. Wow! You close the stream with your own hands and wonder why it is closed! You close it through closing of the xmlwr. You need different approach. All problem is your "Other codes". Instead of writing something into some really unwanted stream, write directly to XmlDocument; create it empty and populate. WebC# : Cannot access a closed Stream while creating a downloadable text file in ASP MVC 3To Access My Live Chat Page, On Google, Search for "hows tech develope... danelectro 12 string black

Cannot access a closed stream - Microsoft Q&A

WebMar 7, 2014 · Exception Details: System.ObjectDisposedException: Cannot access a closed Stream. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: … WebJul 27, 2024 · { BinaryReader reader = new BinaryReader(stream, System.Text.Encoding.UTF8); } C# An object-oriented and type-safe programming … WebOct 7, 2024 · I've seen that, but you still close it. My suggestion was like this: In caller procedure declare memorystream: dim outFs As New MemoryStream() call your routine … danelectro 64 bass whp

Cannot access a closed Stream using System.Net.Mail

System.ObjectDisposedException: Cannot access a closed …

WebJun 7, 2012 · This is because the StreamReader closes the underlying stream automatically when being disposed of. The using statement does this automatically.. However, the … WebJan 27, 2024 · Another option (given you're not disposing HttpClient) is that your server is redirecting, e.g. http to https. Even if the server certificate is valid, HttpClient throws a ObjectDisposedException: Cannot access a closed Stream. exception when trying to SendAsync.. If you can, the solution is to "fix" the redirect, e.g. for a .NET Core … birmingham food banks opening timesWebApr 1, 2024 · try { using (MemoryStream dataStream = Utility.GetFile ()) { // read from beginning dataStream.Position = 0; HttpResponseMessage httpResponseMessage = Request.CreateResponse (HttpStatusCode.OK); httpResponseMessage.Content = new StreamContent (dataStream); … danelectro 67 heaven hawk

"WebApr 20, 2011 · Solution 2. Wow! You close the stream with your own hands and wonder why it is closed! You close it through closing of the xmlwr. You need different approach. … " - Cannot access to closed stream c#

Cannot access to closed stream c#

c# - Cannot Access a closed stream error during Authentication on ...

WebFeb 13, 2014 · 1 Answer. I think it is because you have your MemoryStream is a using. This causes (at the end of processing) the stream to be closed and disposed. Let the FileStreamResult handle closing this, and remove the using. Yeah, that solves it. According to this answer, FileStreamResult does indeed close the stream. WebOct 7, 2024 · User-275943819 posted using System.Linq; using System.Text; using System.Net.Mail; namespace ABCWSAppLag.Media { ///

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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 WebJun 26, 2012 · 1 Answer. One 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.

WebAccepted answer. 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 … 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= …

WebOct 15, 2024 · I am noticing lots of httpclient errors in my app. This one says: System.ObjectDisposedException: Cannot access a closed Stream // App.xaml.cs … WebApr 12, 2024 · C# : Cannot access a closed Stream of a memoryStream, how to reopen?To Access My Live Chat Page, On Google, Search for "hows tech developer connect"As promis...

WebApr 12, 2024 · C# : Cannot access a closed Stream of a memoryStream, how to reopen?To Access My Live Chat Page, On Google, Search for "hows tech developer connect"As promis...

WebC# : Cannot close stream until all bytes are written (GoodData API)To Access My Live Chat Page, On Google, Search for "hows tech developer connect"Here's a s... danel group veterinary loginWebThis 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 ... birmingham food and drink expoWebJul 17, 2015 · It looks slightly far from real application. If you want to get bytes of xlsx file content - you can read it directly from disk without using NPOI for opening file and then writing it back to memory stream. Workbook method Write closes the stream implicitly, and it is unavoidable (see this discussion) – birmingham food banks ukWebThis is because the StreamReader closes of underlying stream automatized when be disposed about. The using statement does this automatically. However, the StreamWriter … danelectro bass 63WebFeb 17, 2024 · At first it was like this: OnValidSubmit="OnSubmit". Then OnValidSubmit=" ( () => OnSubmit ())" I also tried OnValidSubmit=" ( async () => await OnSubmit ())" I suppose this is not the issue. I also run the web api project locally and it works on android too. So in summary when I run the server project locally I can access from every client. birmingham food and drinkWebSep 22, 2024 · 2. Taking a look at the source code here it closes the os (output stream, your ms parameter in PdfWriter.GetInstance) depending on if closeStream is true or … danelectro hawk 1n 12 stringWebAug 20, 2024 · 11. You should remove: using (memoryStream) FileStreamResult will dispose memoryStream for you. The reason that your code doesn't work is that the actual work that reads from memoryStream is not in your code - it is in MVC code that calls fileStream.WriteFile. But that code is executed somewhere higher up the call stack. danelectro blt slap back