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Unfortunately, this is one of those situations where you're going to have to do a lot of debugging yourself. You're going to have to set breakpoints in your code at strategic locations and start refining from there. Two things:
Does this only happen in debug?
Have you changed any code when you upgraded?
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Yes this only happens when i debug, and the code is a precise exact copy of what I had , aside from the fact that the projects are set to .net framework 4; also setting this back to 3.5 sp1 does not change anything
From what i gather this error seems to be loosely related to COM classes that i am using , the second i try to run code associated with that com interop it gives me this error , I got a loader lock warning at the beginning and I told the debugger to ignore it now i am stuck with this stack overflow.
Chona1171
Web Developer (C#), Silverlight
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There's your problem then. The Loader Lock was introduced in VS2005. From MSDN[^]:
"The loaderLock managed debugging assistant (MDA) detects attempts to execute managed code on a thread that holds the Microsoft Windows operating system loader lock. Any such execution is illegal because it can lead to deadlocks and to use of DLLs before they have been initialized by the operating system's loader."
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Then why was i able to debug my application in version 2008 and now in 2010 version I cant.
Is there any workarounds/hotfixes that will be able to help me ?
Chona1171
Web Developer (C#), Silverlight
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.NET 4 is a complete overhaul of .NET rather than an upgrade path from .NET 2.
It sounds like the problem's actually in the COM part. Have a read of the link I gave you (specifically the Resolution part) and follow the links in that page.
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It seems you are hell-bent on finding a "fix" for this. Did you consider the possibility that you've been exploiting a bug in the .NET Framework and that bug has now been fixed under .NET 4.0?
I can't find a hotfix, for either Visual Studio 2010 or .NET 4.0, for this problem anywhere, other than change your code.
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Nope This problem only occurs when using visual studio 2010 even when setting the project back to 3.5 does not fix it. But nice theory.
Again only occurs when debugging if compiled and running outside of debug mode the program runs beautifully, i can live with it but i sure am gonna miss stepping through code
Chona1171
Web Developer (C#), Silverlight
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You might have to do some searching on the internet.
There might be something in your code that causes this error to occur.
I found a couple of threads where such issues have been discussed.
One was this[^] and the other was with lambda expressions.
The funniest thing about this particular signature is that by the time you realise it doesn't say anything it's too late to stop reading it.
My latest tip/trick
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you mentioned that you upgraded from VS 2008 .Net 3.5 to VS 2010 .Net 4.0 and that the problem is in some COM code.
Go back and check your reference assemblies. Many reference assemblies have different .dll versions for 3.5 versus 4.0. Be sure you are using the updated assembly.
Good luck.
Robert Tanenbaum
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On many sites I have read that microsoft is not going to add new features to Linq to SQL. So is it dead? From developers point of view should one go for Linq to SQL or Entity Framework?
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Entity framework is the way to go, I have seen many exciting developments in this field in MS Tech Ed. Also the way virtualisation in WPF and Silverlight is going it would be very handy to know.
LINQ to SQL is not completely dead there will always be a use for it, just like datasets ect
Chona1171
Web Developer (C#), Silverlight
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Since Entity Framework uses LinqToSql I would say it is not dead. Just Microsoft has always done they are moving toward other implementations of the technology.
I know the language. I've read a book. - _Madmatt
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Starting new projects in Linq2Sql sounds like a mistake, while converting working ones to Entity Framework sounds like a waste of time.
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The Linq to SQL team has been absorbed by the entity Framework team in Microsoft. I use Linq to SQL in a large project that I am working on that we started years ago. Part of the reason that I have not changed it to EF yet is that we are still on VS2008. The new EF that is in .NET 4 provides alot of the functionality that we use from Linq to SQL, such as lazy loading of objects. This is not in the EF that is included in VS2008 and since our product uses that, we cannot switch over until we move up to .NET 4.
Take a look at the features. You did not say if this was using VS2008 or VS2010. For me, Linq to SQL was the better choice in VS2008, but if you are using VS2010, then EF4 is the better path.
Steve Maier
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I love Linq to SQL for the queries, but it is an absolute dog when doing inserts or updates of very large transaction sets. For example, my application requires doing about 60,000 inserts as a single transaction. Using SqlCommand it takes 20 seconds. Using Linq to SQL it takes 200 seconds. I believe that because of all the checking for Foreign Key integrity it actually grows exponentially as new items are added to the transaction.
As for Entity Framework, I am also using VS 2008 and would not want to use Entity Framework until VS 2010 which has a more stable and mature product than the one with VS 2008. Also since ADO gives me so much better performance for my very large transaction set, I don't think the time taken to set up an experiment with Entity Framework is worth the effort.
Robert Tanenbaum
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We have developed some .Net Windows forms.
While they run fine on the local PC, they can't be run from our fileserver (shortcut).
I recall there's a security feature to prevent apps from running on untrusted servers.
How do I tell it it's ok? I've checked IE Options.
The Admin Tools Control Panel only goes up to .Net 1.1.
I need an app that will automatically deliver a new BBBBBBBBaBB (beautiful blonde bimbo brandishing bountiful bobbing bare breasts and bodacious butt) every day.
John Simmons / outlaw programmer
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You're thinking of caspol. Looking it up, I think the following should work (may need a little tweaking):
CasPol.exe -m -ag 1 -url file:
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That worked. Thanks 
I need an app that will automatically deliver a new BBBBBBBBaBB (beautiful blonde bimbo brandishing bountiful bobbing bare breasts and bodacious butt) every day.
John Simmons / outlaw programmer
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You're welcome. Glad it helped.
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If you need to run .net applications from a server you should look at ClickOnce[^]
I know the language. I've read a book. - _Madmatt
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If you are using .net 2 by installing the .net2 framework sdk the admin control panel will be under your administrative tools.
I dotn a project 4 years ago that required me to do that
Chona1171
Web Developer (C#), Silverlight
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I understand that Macros can be created through the reflection client, Start record and stop record as well as editing the macro with the VBeditor. It seems so old however the Terminal I ma using is a 5250. So I imagine its editor its using the vb version 5 or 6. Is there a way to create the applications externally in VB.NET and then port it to reflection. I mean is there a namespace or class I can use in VB.net that will still allow the automation like the macro used in reflection?
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There is nothing in the .NET Framework to do what you're talking about. The interfaces for this would have to be supplied by your 5250 software.
If it's coded to launch the VB6 editor (I highly doubt it) or it's using VBA (Visual Basic for Applications), there's nothing you can do about it. There is nothing in the .NET Framework that will let you chose which environment/IDE another piece of software shows you.
You're only option is to go back to the manunfacturer of the 5250 software and see if they've updated it. Or, replace the 5250 software entirely and, chances are, you'll end up recoding all of your macros.
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Hi Everyone,
I am using webbrowser control in my application. After when webbrowser navigates to the specified url, it is not possible to close the browser because of tabbed browsing. Please help me in fixing the issue through code.
Thanks in Advance.
Regards,
Manowj
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Can you share the code you are using to initiate the browse in the browser control.
I don't follow what you mean by unable to close the browser. its a control in your app after all.
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