Cannot access to closed stream c#

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August undefined, 2024

WebSep 22, 2024 · 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 false. And it just happens that closeStream is a property. So all you should need to do is set writer.CloseStream = false; after GetInstance – MindSwipe Sep 22, 2024 at 7:57 Show 6 … 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: …

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

WebMar 2, 2024 · According to the stack trace the exception occurs at the end of the using (writer) block. Actually there is no need for putting a using here anyways as closing the doc implicitly will close the writer. And there is no need for explicitly closing the doc as it implicitly is closed by the using (doc). Thus, I would remove these unnecessary things ... 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 … camping world near us

MemoryStream, Cannot access a closed stream - Stack Overflow

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... WebAug 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. camping world new braunfels inventory

c# - Why does ASP.NET MVC Controller FileStreamResult error on closed ...

WebMar 22, 2024 · That been said, if the file was not closed, you would merely have a different exception. During. PdfReader pdfReader = new PdfReader (pdfStream); the stream is read to the end, so here. var image = iTextSharp.text.Image.GetInstance (pdfStream); there would be nothing to read from the stream. And even if you did reset the stream to the … WebThis is because the StreamReader closes of underlying stream automatized when be disposed about. The using statement does this automatically. However, the StreamWriter … camping world new braunfels texasWebHi Tom, I added ms.Position=0 but I have the same issue. This is the message I get if I ckeck the value of pdfScript.Position:'pdfScript.Position' threw an exception of type 'System.ObjectDisposedException' Data: {System.Collections.ListDictionaryInternal} HResult: -2146232798 HelpLink: null InnerException: null Message: "Cannot access a … camping world new hampshire

"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. " - Cannot access to closed stream c#

Cannot access to closed stream c#

c# - Cannot access a closed stream (NPOI Library) - Stack Overflow

WebDec 28, 2024 · 1. Your outputwriter tries to flush the steam when disposed. However as you dispose the stream first, this fails. Try exchanging the lines in your Dispose method with each other. That being said: as your stream is a MemoryStream you don’t really need to dispose it as it has no Ressourcen it needs to free. 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.

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WebOct 7, 2024 · User-275943819 posted using System.Linq; using System.Text; using System.Net.Mail; namespace ABCWSAppLag.Media { /// WebJun 26, 2012 · The stream could have been closed outside of this code and this exception would still occur? Yes. For example - This can happen if you wrap a stream within another stream, and dispose of the "wrapper" stream. Many implementations dispose of the stream they are wrapping.

WebApr 14, 2015 · If so, that's because what's happening is essentially that you're closing that stream twice. using (var cc = new ConsoleCopy ("mylogfile.txt")) { // At this time, your filestream is created with the using statement. // Writing happens here. // Your filestream is closed at the end of the using statement inside of the ConsoleCopy constructor. 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 …

/// Takes care of … WebApr 28, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams

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

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? Is that causing the Stream to get closed once the method is exited? ... C# Cannot access a closed stream while copying GZipStream to … camping world new braunfels rvWebJun 22, 2024 · This is just HttpClient letting you know that the connection failed, which it should because your server is disabled. The exception you get should be a System.Net.WebException, a Java.Net.ConnectException, a Java.Net.ConnectException, or a Java.IO.IOException, depending on the state of your server. – Brandon Minnick. fischer store school community centerWebC# - Cannot access a closed stream; PageEvent is throwing Cannot access a closed Stream; Getting Cannot access a closed Stream when unit testing Nancy; Error: … camping world new braunfels partsWebFeb 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. camping world new jerseyWebJul 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) – camping world new hampshire winchesterWebAccepted 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 … camping world new braunfels addressWebOct 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 … fischer stove heater