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ReflectionTypeL oadException question

We just converted our Visual Studio 7.1 development projects to Visual Studio
8.0 (2005).

I am working on a form, and I want to add one of the custom controls that we
had developed under 7.1 (2003) and stored in its own project.

When I attempt to add this control (drag and drop) I get the above error. I
am trying to figgure out how to solve this so we can use/look at our code.

I tried running the project in question in the VS2005 devenv, opening up
another project, and adding the control again, so I could trap the error...
only to have the control add just fine.

Short of going in and sequentially commenting out all the controls on the
various forms, and then uncommenting out one control at a time to find the
suspect one(s), does anyone have an idea how to find and fix this issue?

Here is the full message I get dropped on me when I tried to add the control
originally:
"Failed to create 'useNumericText Box'. The error message follows:
'System.Reflect ion.ReflectionT ypeLoadExceptio n: Unable to load one or more
of the requested types. Retreive the LoaderException s property for more
information.
at System.Reflecti on.Module.GetTy peInternal(Stac kCrawlMark& stackMark)
at System.Reflecti on.Assembly.Get Types()
at
Microsoft.Visua lStudio.Shell.D esign.AssemblyO bsoleteEventArg s..ctor(Assembl y
assembly)
at
Microsoft.Visua lStudio.Design. VSDynamicTypeSe rvice.ReloadAss emblyIfChanged( string codeBase)
at
Microsoft.Visua lStudio.Design. VSDynamicTypeSe rvice.CreateDyn amicAssembly(St ring codeBase)
at
Microsoft.visua lStudio.Design. VSTypeResolutio nService.Assemb lyEntry.get_Ass embly()
at
Microsoft.Visua lStudio.Design. VSTypeResolutio nService.Assemb lyEntry.Search( String
fullName, String typeName, Boolean ignoreTypeCase, Assembly& assembly, String
desctiption)
at
Microsoft.Visua lStudio.Design. VSTypeResolutio nService.Search ProjectEntries( AssemblyName
assemblyName, String typeName, Boolean ignoreTypeCase, Assembly& assembly)
at Micr..'

it ran out of space....

Any ideas would be helpful. From the above, I now _something_ in this
assembly I am pulling the control from is obsolete... but I have no idea what.

Andrew S. Giles

Dec 15 '05 #1
1 3008
I think you mean the bug somebody already found a work-around for in the
"User Control Designer Errors is [sic] VS2005 RC1" thread.

Change your AssemblyInfo.cs files in the UserControls DLLs as follows:
[assembly: AssemblyVersion ("5.5.5")]

Where 5.5.5 is any hard-coded version number. The problem was the .* in it
causing the UserControl to have an auto-generated version that's different
than what your other DLL is expecting. As soon as you recompile it with
changes or something, you get the Unable to Load error.

BTW - Notice I called it a BUG. I truly believe it's a bug. There's a
rational explanation for what it's doing, but it is bound to cause a little
frustration for a lot of people.

Let me know if it works.
Jan 25 '06 #2

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