invalidoperationexception

Error when running XNA code from another computer

Hi, I have develop an XNA game on computer 1. When I send it to computer two (and I have everything to be able to run XNA Code). When the program execute game.run, I get an InvalidOperationException. I didn't tried to run code from computer two on computer one. But I know that both machine can run the code I've wrote on them. Do you h...

Unit test MSBuild Custom Task without "Task attempted to log before it was initialized" error

I have written a few MSBuild custom tasks that work well and are use in our CruiseControl.NET build process. I am modifying one, and wish to unit test it by calling the Task's Execute() method. However, if it encounters a line containing Log.LogMessage("some message here"); it throws an InvalidOperationException: Task attempted t...

Control a service on a remote server from IIS

Please note: In each step I describe below I'm logged in as the same domain user account. I have a web application that controls a service on a remote machine (via ServiceController). When I connect to the website remotely and attempt to control the service, I get an InvalidOperationException: Access is denied. I know it CAN work, b...

InvalidOperationException when executing SqlCommand with transaction

I have this code, running parallel in two separate threads. It works fine for a few times, but at some random point it throws InvalidOperationException: The transaction is either not associated with the current connection or has been completed. At the point of exception, I am looking inside the transaction with visual studio and verify...

SQLConnection Pooling - Handling InvalidOperationExceptions

I am designing a Highly Concurrent CCR Application in which it is imperative that I DO NOT Block or Send to sleep a Thread. I am hitting SQLConnection Pool issues - Specifically getting InvalidOperationExceptions when trying to call SqlConnection.Open I can potentially retry a hand full of times, but this isn't really solving the probl...

How do I fix EmbeddedRessources in a ASP.NET web site?

I am trying to reference a js file in a class in an ASP.NET and I receive this error: Assembly 'XXX' contains a Web resource with name 'XXX' but does not contain an embedded resource with name 'XXX' Searching the web tell me I must have a Path referencing problem, but I can't figure what is it. Here is the hierarchy <Root> <App_C...

System.InvalidOperationException: Transaction does not match connection. linq to sql

Any one ever seen this? It comes from a .net remoting endpoint hosted in IIS with a 16 process web garden. So there are many concurrent transactions in each thread pool per process. We are using linq to sql and the Transaction object that is from the DataContext, NOT the transactionScope object. It seems to happen either around the dispo...

what does this error mean?

Hi All, I'm getting this error: Cannot use a DependencyObject that belongs to a different thread than its parent Freezable What does that even mean? Is it in English? Is the parent frozen, or is it just freezable? Any way to make a parent not freezable, if it makes the error go away? What's happening: I have two opengl winforms ...

InvalidOperationException - When ending editing a cell & moving to another cell

I made a program in which I wanted to manually update the Data Grid View. -I have a Method to Refresh the DGV by clearing it and then reinserting the data. -Using the designer, I made an event handler for the DGV's CellEndEdit. Inside the Event Handler, the data gets updated & the DGV's custom refreshing method is called. While running ...

InvalidOperationException - object is currently in use elsewhere - red cross

Hello I have a C# desktop application in which one thread that I create continously gets an image from a source(it's a digital camera actually) and puts it on a panel(panel.Image = img) in the GUI(which must be another thread as it is the code-behind of a control. The application works but on some machines I get the following error...

Modifying Collection when using a foreach loop in c#

Hi, Basically, I would like to remove an item from a list whilst inside the foreach loop. I know that this is possible when using a for loop, but for other purposes, I would like to know if this is achievable using a foreach loop. In python we can achieve this by doing the following: a = [1, 2, 3, 4, 5, 6, 7, 8, 9] for i in a: pr...

Compiling a Delegate with Expression.Lambda() - Parameter Out Of Scope, but is it really?

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Invalid Operation Exception from C# Process Class

When I use VSTS debugger to see the properties of instance of class Process, many of the properties are marked with InvalidOperationException. Why? Am I doing anything wrong? I am using VSTS 2008 + C# + .Net 2.0 to develop a console application. Here is my code: System.Diagnostics.Process myProcess = new System.Diagnostics.Pro...

How can I add logic to an existing dependency-property callback?

I'm trying to add a PropertyChangedCallback to UIElement.RenderTransformOriginProperty. An exception is thrown when I try to override the PropertyMetadata. I have searched MSDN and Google, and all I have been able to come up with is this. DependencyPropertyDescriptor.AddValueChanged is suggested at some point in that post, but that wo...

ASP.NET MVC: No parameterless constructor defined for this object.

Server Error in '/' Application. -------------------------------------------------------------------------------- No parameterless constructor defined for this object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and wher...

The query results cannot be enumerated more than once?

Hi, I'm using LINQ to SQL to get a search result of a FullTextSearch stored procedure in Sql server 2008. I dragged the procedure from the server explorer to the designer, and got the method created with the appropriate return type and parameters. Now the problem is, I need to get the Count of the result of calling this method, so using ...

Why cant we change Values of a dictionary while enumerating its keys?

class Program { static void Main(string[] args) { var dictionary = new Dictionary<string, int>() { {"1", 1}, {"2", 2}, {"3", 3} }; foreach (var s in dictionary.Keys) { // Throws the "Collection was modified exception..." on th...

InvalidOperationException on object from a thread that's done

In a WPF application I had a BackgroundWorker thread creating an object. Let's call the object foo. Background worker code: SomeClass foo = new SomeClass(); // Do some operation on foo // Set some dependency property on the main class to foo this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (SendOrPostCallback)delegate { SetV...

InvalidCastException: System.Web.UI.PartialCachingControl -> MyCustomControl when OutputCaching

The problem: I am unable to use OutputCaching with my controls which derives from MyCustomControl. Controls are loaded dynamically using definitions from database with Page.LoadControl method. When I add to ascx <%@ OutputCache VaryByParam="*" Duration="3600"%> the "InvalidCastException: System.Web.UI.PartialCachingControl -> MyCustom...

nullable object must have a value

There is paradox in the exception description: Nullable object must have a value (?!) This is the problem: I have a DateTimeExtended class, that has { DateTime? MyDataTime; int? otherdata; } and a constructor DateTimeExtended(DateTimeExtended myNewDT) { this.MyDateTime = myNewDT.MyDateTime; this.otherdata = myNewDT.oth...