Cannot access to closed stream c#

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August undefined, 2024

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. … 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 …

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

WebDec 8, 2024 · 1 Answer Sorted by: 2 seems you are disposing the StreamWriter sw, which in turn will dispose the memory stream passed to it try using this public static Stream GenerateStreamFromString (string s) { var ms = new MemoryStream (Encoding.Default.GetBytes (s)); return ms; } Share Improve this answer Follow … 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 … sharpal diamond sharpener

C# : Cannot access a closed Stream of a memoryStream, how to …

WebOct 7, 2024 · User-275943819 posted using System.Linq; using System.Text; using System.Net.Mail; namespace ABCWSAppLag.Media { /// 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 ... 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. porch swing recycled plastic

c# - ClosedXml Cannot access a closed Stream - Stack Overflow

c# - Not able to return CSV file in MVC action. Not Cannot access …

WebApr 18, 2013 · 1 Answer. Sorted by: 1. It seems like externalStreamProvider is returning the same stream instance every time... and since you closed it in the first iteration, it fails in … WebThis is because the StreamReader closes of underlying stream automatized when be disposed about. The using statement does this automatically. However, the StreamWriter … sharp allergyWebJun 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. sharp alcohol treatment

"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. " - Cannot access to closed stream c#

Cannot access to closed stream c#

C# : Cannot access a closed Stream of a memoryStream, how to …

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 … 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 …

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WebJul 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) – WebFeb 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.

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 … 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...

WebDec 30, 2024 · E.g., in the below, Console.Writeline will throw a "Cannot access a closed Stream." class Program { static MemoryStream GetMemoryStream() { using (MemoryStream mem = new MemoryStream()) { // BAD CODE - BUG! return mem; // The above will return an object which is about to be Disposed! 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

WebC# - Cannot access a closed stream; PageEvent is throwing Cannot access a closed Stream; Getting Cannot access a closed Stream when unit testing Nancy; Error: …

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 sharpal knife sharpener 6 in 1WebC# : 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... sharp allergy washing machineWebJul 27, 2024 · { BinaryReader reader = new BinaryReader(stream, System.Text.Encoding.UTF8); } C# An object-oriented and type-safe programming … porch swing replacement seatWebC# : 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... porch swing quotesWebApr 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. porch swings and cool breezesWebFeb 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. porch swing replacement cushions outdoorWebAug 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. sharpal knife sharpener review