The exception that is thrown when an operation is performed on a disposed object.
Questions tagged [objectdisposedexception]
190 questions
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6 answers
Opened SerialPort crashes C# application
The computer is connected to measuring device via a physical COM1. I have simple form where I open a serial port, tell the device that I'm alive and occasionally the device sends data. (every some minutes)
Thread _readThread = new…
Stefan Teitge
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ObjectDisposedException after disposing of the control
I have a real world need for what I'm going to ask, but to make it simple I've boiled the issue down to this.
Create a C# windows forms application project
Add a textbox and a button to the form.
Add a Leave event to the textbox.
Add a Click event…
0
votes
1 answer
Cannot access a disposed object. Object name: 'FileBufferingReadStream' Error while uploading multiple files
I am trying to write a Razor Page which accepts multiple files and save them in a table. The Files uploaded through the following partial page -
@model CommonApplicationDTO
| Name | Date of…
Dibakar
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1 answer
c# StringContent in MultipartFormDataContent seems to have been disposed at the point of doing PostAsyncI have the following pretty simple class for sending some data to an external supplier, what seems to happen is at the point of the _httpClient.PostAsync call something(?) has already disposed of the StringContent objects -
public async…
beakersoft
0
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0 answers
.Net6 C# WinForm app crashes w/Cannot access a disposed object. Object name: 'Panel'I have 2 projects in my solution.
One is my Launcher (Relevant Code Only):
namespace Launcher
{
public partial class LauncherForm: Form
{
private static MyApplication.AppForm? AppForm = null;
private void…
Taldren
0
votes
2 answers
Task.Run causes "Cannot access a disposed context instance" exceptionUsing Task.Run causes "object disposed" exception in my application if using DbContext.
The code looks like (see the whole chain):
UserController.cs
[Route("api/[controller]")]
public class UsersController : ControllerBase
{
private readonly…
Jimy Weiss
0
votes
0 answers
A RouteState was used after being disposed ErrorLet me explain my Flutter structure first. I have a flutter main application and another application added as a package that has a different routing method and navigation. app behavior is when I click on a card on the main app it will get me to the…
Ujith Isura
0
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0 answers
C# IFeatureCollection has been disposedI'm trying to make a cart in session, but there was a problem, help me please
I'm not using HttpContextAccessor
Is my class
My exception
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0 answers
In memory database disposed by the initial useI'm trying to use In-Memory Database. I can read from it, but if I try to add something it throws an exception of type System.ObjectDisposedException.I cant really spot differences with working examples around. I'm using EF Core, .net core 3.1.…
Daniel Vega
0
votes
1 answer
Microsoft bot framework session timeout after user inactivityI'm working on a scenario where the user is warned after 1 minute of inactivity and after another, 1-minute chat will auto close.
Callback is successfully invoked after 1 minute but when I'm using turnContext to send a message to user then it shows…
0
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0 answers
MemoryCache's Callback runs on new thread & classes are “dependency injected” as Transients, DBContext gives “Cannot access a disposed context” error( Related Posting: Why is DBContext is disposed after putting it in IMemoryCache (.NET Core / EF Core) )
( Related Posting: Cannot access a disposed object with MemoryCache )
Here is info about our technical development environment :
Microsoft…
crazyTech
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1 answer
XNA SpriteBatch.End() ObjectDisposedExceptionI am having some issues with a thrown exception. Below is the draw method from the XNA loop.
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.White);
checkInitialization(); // Makes sure that the…
Godric Seer
0
votes
1 answer
System.ObjectDisposedException when trying to access DataContextI am trying to get some data from a repository using DbContext. For some reason I keep getting a System.ObjectDisposedException. In my whole code I am not disposing anything and I do not use using statements in the concerning class.
This is an…
Sarah
0
votes
1 answer
Handling ObjectDisposedExceptions on disconnected WCF channelsWhen a method is called on a WCF channel that has been disconnected for some reason, it raises an ObjectDisposedException.
Now is normal operation this should not happen, but if for some reason it did, I would like to be able to handle the exception…
GazTheDestroyer
0
votes
1 answer
skipping Rows in a CSV file to a certain word C#I am new to C# coding and I have really tried to find an answer in any forum. I am using CSVHelper to read a CSV file and I want to skip a certain number of lines from the beginning of the file to a certain word. Now my code gives the following…
xKara
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