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• Will this class cause memory leaks, and does it need a dispose method? (asp.net vb)

  - by Phil

  Here is the class to export a gridview to an excel sheet: Imports System Imports System.Data Imports System.Configuration Imports System.IO Imports System.Web Imports System.Web.Security Imports System.Web.UI Imports System.Web.UI.WebControls Imports System.Web.UI.WebControls.WebParts Imports System.Web.UI.HtmlControls Namespace ExcelExport …

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• Dispose, when is it called?

  - by Snake

  Consider the following code: namespace DisposeTest { using System; class Program { static void Main(string[] args) { Console.WriteLine("Calling Test"); Test(); Console.WriteLine("Call to Test done"); } static void Test() { …

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• Proper way to Dispose of a BackGroundWorker

  - by galford13x

  Would this be a proper way to dispose of a BackGroundWorker? I'm not sure if it is necesary to remove the events before calling .Dispose(). Also is calling .Dispose() inside the RunWorkerCompleted delegate ok to do? public void RunProcessAsync(DateTime dumpDate) { BackgroundWorker worker = new BackgroundWorker(); …

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• How to dispose NHibernate ISession in an ASP.NET MVC App

  - by Joe Young

  I have NHibernate hooked up in my asp.net mvc app. Everything works fine, if I DON'T dispose the ISession. I have read however that you should dispose, but when I do, I get random "Session is closed" exceptions. I am injecting the ISession into my other objects with Windsor. Here is my current NHModule: public class…

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• Why isnt HashAlgorithm.Dispose public?

  - by Simon

  Why isnt HashAlgorithm.Dispose public? void IDisposable.Dispose() { this.Dispose(true); GC.SuppressFinalize(this); }

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• Implementing Dispose on a class derived from Stream

  - by AnthonyWJones

  I'm building a class that derives from Stream to wrap a COM IStream. However I've come across an issue where I need to release the COM IStream deteministically. Ok so that's easy just use Marshal.ReleaseComObject in the Dispose method. However I'm not sure its that simple. The Stream base class already has an…

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• C# Dispose() -clarification

  - by nettguy

  When i call object.Dispose(); Will CLR immediately destroy the object from memory or mark the object for removal in it's next cycle?. We are calling GC.SuppressFinalize() immediately after Dispose(),Does it mean ,"Don't collect the object again for dispose,because it is already submitted to displose". Actually…

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• How do you prevent IDisposable from spreading to all your classes?

  - by GrahamS

  Start with these simple classes... Let's say I have a simple set of classes like this: class Bus { Driver busDriver = new Driver(); } class Driver { Shoe[] shoes = { new Shoe(), new Shoe() }; } class Shoe { Shoelace lace = new Shoelace(); } class Shoelace { bool tied = false; } A Bus has a…

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• Unity to dispose of object

  - by Johan Levin

  Is there a way to make Unit dispose property-injected objects as part of the Teardown? The background is that I am working on an application that uses ASP.NET MVC 2, Unity and WCF. We have written our own MVC controller factory that uses unity to instantiate the controller and WCF proxies are injected using the…

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• Is it important to dispose SolidBrush and Pen?

  - by Joe

  I recently came across this VerticalLabel control on CodeProject. I notice that the OnPaint method creates but doesn't dispose Pen and SolidBrush objects. Does this matter, and if so how can I demonstrate whatever problems it can cause? EDIT This isn't a question about the IDisposable pattern in general. I…

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• How the dispose() method works in C#.net?

  - by Shailesh Jaiswal

  I am developing smart device application in C#. It is a window application. In that application I have created the 4 to 5 window form. I am navigating in these forms from one form to another form by using linklabel control in C#. In linklabel_Click() method which I am using to navigate I am using the code…

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• Are finalizers ever allowed to call other managed classes' methods?

  - by romkyns

  I used to be pretty sure the answer is "no", as explained in Overriding the Finalize method and Object.Finalize documentation. However, while randomly browsing through FileStream in Reflector, I found that it can actually call just such a method from a finalizer: private SafeFileHandle _handle; …

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• Disposing a Bitmap through its Finalizer

  - by devoured elysium

  I have a complex program in which I have to first create, then use wrappers around bitmaps and send them across a lot of different classes. The problem in the end is deciding which classes should dispose the bitmaps. Most of the time the end classes don't know if they can indeed dispose the bitmap…

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• How-to dispose a waithandle correctly

  - by TomTom

  Hello, I'm doing some multi-threading and use AutoResetEvents and ManualResetEvents do control my main - loop. When "destryoing" the threads I also have to dispose these signals, that's clear. But I saw different ways how to dispose Waithandles, and I'm not sure which one is correct: Version 1 …

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• Help me understand Dispose() implementation code from MSDN

  - by Benny

  the following code is from MSDN: Idisposable pattern protected virtual void Dispose(bool disposing) { // If you need thread safety, use a lock around these // operations, as well as in your methods that use the resource. if (!_disposed) { if…

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• How to dispose of old rack-mount servers?

  - by Nic

  I have two old rack-mount servers lying around that I want to get rid of. One is a HP DL380 G2, the other is an IBM from the same era. Both machines boot up, but I don't have any harddrives for them, or any use for them. Worse yet, both machines appear to have been dropped at some point…

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• Proper way to dispose of Quartz.NET?

  - by Seth Spearman

  I am using Quartz.NET in an application. What is the proper way to dispose of Quartz.NET. Right now I am just doing if (_quartzScheduler != null) { _quartzScheduler = null; } Is that enough or should I implement a dispose or something in the jobType class? …

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• Do i need to dispose of MySqlCommand?

  - by acidzombie24

  I find it incredibly annoying to write a using statement on every one of my queries (which require its own command or write parameters.clear()) which sometimes require declaring variables outside of the using block. Its so incredibly annoying and looks much dirtier compared to the…

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• How to dispose BackgroundWorkers the right way

  - by radbyx

  I've got a Windows Service that runs BackgroundWorker's, and I'm wondering if I'm doing the right thing when I stop my Windows Service. Is it enough to: Let the BackgroundWorker1_DoWork method complete (I have a while loop in it now, doing some tasks) Set the variable that…

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• How to dispose the objects created by factory pattern

  - by Ram

  Hi, I am using Factory pattern to create .NET objects of a class. I also need to make sure that all such objects should be disposed before application terminates. Where and How can I dispose the objects created by factory pattern? Shall I dispose in the class in which I am…

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• C#: Does an IDisposable in a Halted Iterator Dispose?

  - by James Michael Hare

  If that sounds confusing, let me give you an example. Let's say you expose a method to read a database of products, and instead of returning a List<Product> you return an IEnumerable<Product> in iterator form (yield return). This accomplishes several good things:…

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• "Collection was modified; enumeration operation may not execute." on form disposal.

  - by cyclotis04

  "Collection was modified; enumeration operation may not execute." appears to be a common error with foreach loops, but I can't figure mine out. I have two classes of forms. One is begun on startup, and a button creates new instances of the second form, and displays them.…

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• SqlCommand.Dispose() not disposing the SqlParameters in it - Memory Leak - C#.NET

  - by NLV

  Hello I've a windows forms application with MS SQL Server 2005 as the back end. I have written code in the form to call few stored procedures using SqlConnection, SqlCommand objects and i properly dispose everything. I've disposed sqlcommand object by calling …

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• How to Dispose myClass with Garbage Collecter C#

  - by Ibrahim AKGUN

  Hi, I have a class and got a method that doin so many things in memory and need to be disposed when its jobs done.But i have looked for MSDN for solution.There is an example thats not solved my problem.When my Class is instanced and run this method my memory is…

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• return the variable used for using inside the using C#

  - by di3go

  Hello, I am returning the variable I am creating in a using statement inside the using statement (sounds funny): public DataTable foo () { using (DataTable properties = new DataTable()) { // do something return properties; } } Will…

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